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Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Confinement QED 3 Confinement Final Remarks Origin of Mass Lect. 3: Approach Alfredo Raya IFM-UMSNH XIII Mexican School of Particles and Fields, San Carlos, Sonora, Mexico.
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Page 1: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Origin of MassLect. 3: Approach

Alfredo Raya

IFM-UMSNH

XIII Mexican School of Particles and Fields, San Carlos,Sonora, Mexico.

Page 2: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Contents

Dynamical Chiral Symmetry Breaking and Confinement inQCD

A Toy Model: QED3

Confinement in QED3

Final Remarks

Page 3: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Contents

Dynamical Chiral Symmetry Breaking and Confinement inQCD

A Toy Model: QED3

Confinement in QED3

Final Remarks

Page 4: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Contents

Dynamical Chiral Symmetry Breaking and Confinement inQCD

A Toy Model: QED3

Confinement in QED3

Final Remarks

Page 5: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Contents

Dynamical Chiral Symmetry Breaking and Confinement inQCD

A Toy Model: QED3

Confinement in QED3

Final Remarks

Page 6: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

S−1F (p) = Z2 S

(0) −1F (p)

+g2 Z1F CF

∫d4k

16π4γµ SF (k) Γν(k, p)∆µν(k − p)

The solution is of the form

SF (p) =F (p2)

6p −M(p2)

Page 7: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

S−1F (p) = Z2 S

(0) −1F (p)

+g2 Z1F CF

∫d4k

16π4γµ SF (k) Γν(k, p)∆µν(k − p)

The solution is of the form

SF (p) =F (p2)

6p −M(p2)

Page 8: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

S−1F (p) = Z2 S

(0) −1F (p)

+g2 Z1F CF

∫d4k

16π4γµ SF (k) Γν(k, p)∆µν(k − p)

The solution is of the form

SF (p) =F (p2)

6p −M(p2)

Page 9: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

Adapted from nucl-th/0007054.

Page 10: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

g2

∫d4k γµ SF (k) Γν(k, p)∆µν(k − p)

should have an enormous support.

I Strength of interaction g → geff (p)

Page 11: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

g2

∫d4k γµ SF (k) Γν(k, p)∆µν(k − p)

should have an enormous support.

I Strength of interaction g → geff (p)

Page 12: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

g2

∫d4k γµ SF (k) Γν(k, p)∆µν(k − p)

should have an enormous support.

I The Quark-Gluon Vertex

Adapted from Nucl. Phys. Proc. Suppl. 152 43, (2006).

Page 13: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

g2

∫d4k γµ SF (k) Γν(k, p)∆µν(k − p)

should have an enormous support.

I The Ghost and Gluon Propagators

Adapted from Braz. J. Phys. 37 201 (2007).

Page 14: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Dynamical Mass Generation in QCD

g2

∫d4k γµ SF (k) Γν(k, p)∆µν(k − p)

should have an enormous support.

I The Gluon Propagator is IR finite!

Adapted from PoS LAT2007, 297 (2007).

Page 15: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Confinement can be studied through the IR properties ofGreen’s functions

Page 16: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Kugo-Ojima criterion:

I Ghost-Gluon vertex is IR finite

I Ghost propagator is IR divergent

I Gluon propagator is IR suppressed

Page 17: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Kugo-Ojima criterion:

I Ghost-Gluon vertex is IR finite

I Ghost propagator is IR divergent

I Gluon propagator is IR suppressed

Page 18: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Kugo-Ojima criterion:

I Ghost-Gluon vertex is IR finite

I Ghost propagator is IR divergent

I Gluon propagator is IR suppressed

Page 19: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Kugo-Ojima criterion:

Adapted from Nucl. Phys. Proc. Suppl. 152 43, (2006).

Page 20: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Kugo-Ojima criterion:

Adapted from Braz. J. Phys. 37 201 (2007).

Page 21: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Kugo-Ojima criterion:

Adapted from PoS LAT2007, 297 (2007).

Page 22: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Axiom of Reflexion Positivity

∆(t) =

∫d3x

∫d4p

(2π)4e i(tp4+~x ·~p)σ(p2)

=1

π

∫ ∞0

dp4 cos(tp4)σ(p24) ≥ 0 ,

with

σ(p2) =F (p2)M(p2)

p2 + M2(p2).

Page 23: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QCD

Adapted from J. Phys. G32, R253 (2006).

Page 24: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

A Toy Model

Page 25: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 26: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 27: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 28: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 29: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 30: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 31: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 32: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 33: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Why QED3?

I Is super renormalizable

I Exhibits DCSB and Confinement

I Provides a popular battleground for lattice andcontinuum studies

I Exhibits special features of spin and statistics (anyons)and discrete symmetries

I The Chern-Simons term adds to its structural richness

I Has useful applications in Condensed Matter Physics

I High-Tc superconductivity

I Quantum Hall Effect

I Graphene

Page 34: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

SDE in QED3

Corresponds to

S−1F (p) = S

(0) −1F (p)

+e2

∫d3k

(2π)3γµ SF (k) Γν(k , p)∆µν(k − p)

Page 35: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

SDE in QED3

Corresponds to

S−1F (p) = S

(0) −1F (p)

+e2

∫d3k

(2π)3γµ SF (k) Γν(k , p)∆µν(k − p)

Page 36: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Rainbow Truncation

I We start by neglecting fermion loops, G (q) = 1

I In Landau gauge, it corresponds to a photon propagator

∆(0)µν (q) =

1

q2

(gµν −

qµqνq2

)

I With a suitable choice of the electron-photon vertex,the electron propagator can be found self-consistently

Page 37: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Rainbow Truncation

I We start by neglecting fermion loops, G (q) = 1

I In Landau gauge, it corresponds to a photon propagator

∆(0)µν (q) =

1

q2

(gµν −

qµqνq2

)

I With a suitable choice of the electron-photon vertex,the electron propagator can be found self-consistently

Page 38: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Rainbow Truncation

I We start by neglecting fermion loops, G (q) = 1

I In Landau gauge, it corresponds to a photon propagator

∆(0)µν (q) =

1

q2

(gµν −

qµqνq2

)

I With a suitable choice of the electron-photon vertex,the electron propagator can be found self-consistently

Page 39: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Rainbow Truncation

I Possible the simplest choice for the vertex isΓν(k , p) = γν

I This corresponds to the diagram

Page 40: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Rainbow Truncation

I Possible the simplest choice for the vertex isΓν(k , p) = γν

I This corresponds to the diagram

Page 41: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Solving the SDE

I In Rainbow Approximation

S−1F (p) = S

(0) −1F (p)

+4πα

∫d3k

(2π)3γµ SF (k) γν∆(0)

µν (k − p)

I Starting with massless fermions, m0 = 0, multiplying by

1 and 6p and taking trace and contracting with ∆(0)µν

1

F (p)= 1 +

α

2π2p2

∫d3k

F (k)

k2 + M2(k)

1

(k − p)4×[

− 2(k · p)2 + (2− ξ)(k2 + p2)k · p − 2(1− ξ)k2p2

]M(p)

F (p)=

α(2 + ξ)

2π2

∫d3k

F (k)M(k)

k2 + M2(k)

1

(k − p)2

Page 42: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Solving the SDE

I In Rainbow Approximation

S−1F (p) = S

(0) −1F (p)

+4πα

∫d3k

(2π)3γµ SF (k) γν∆(0)

µν (k − p)

I Starting with massless fermions, m0 = 0, multiplying by

1 and 6p and taking trace and contracting with ∆(0)µν

1

F (p)= 1 +

α

2π2p2

∫d3k

F (k)

k2 + M2(k)

1

(k − p)4×[

− 2(k · p)2 + (2− ξ)(k2 + p2)k · p − 2(1− ξ)k2p2

]M(p)

F (p)=

α(2 + ξ)

2π2

∫d3k

F (k)M(k)

k2 + M2(k)

1

(k − p)2

Page 43: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Solving the SDE

I Performing angular integrations

1

F (p)= 1− αξ

π2p

∫ ∞0

dkk2F (k)

k2 + M2(k)×[

1− k2 + p2

2kpln

∣∣∣∣k + p

k − p

∣∣∣∣]

M(p)

F (p)=

α(ξ + 2)

πp

∫ ∞0

dkkF (k)M(k)

k2 + M2(k)ln

∣∣∣∣k + p

k − p

∣∣∣∣

I In Landau gauge (ξ = 0)

M(p) =2α

πp

∫ ∞0

dkkM(k)

k2 + M2(k)ln

∣∣∣∣k + p

k − p

∣∣∣∣

Page 44: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Solving the SDE

I Performing angular integrations

1

F (p)= 1− αξ

π2p

∫ ∞0

dkk2F (k)

k2 + M2(k)×[

1− k2 + p2

2kpln

∣∣∣∣k + p

k − p

∣∣∣∣]

M(p)

F (p)=

α(ξ + 2)

πp

∫ ∞0

dkkF (k)M(k)

k2 + M2(k)ln

∣∣∣∣k + p

k − p

∣∣∣∣I In Landau gauge (ξ = 0)

M(p) =2α

πp

∫ ∞0

dkkM(k)

k2 + M2(k)ln

∣∣∣∣k + p

k − p

∣∣∣∣

Page 45: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical Techniques

I We have an expression of the form

M(p) =

∫ ∞0

dk f (k,M(k); p,M(p))

≈∫ λ

κdk f (k ,M(k); p,M(p))

for κ→ 0 and λ→∞I Using some quadrature rule, we have

M(p) =Nmax∑j=1

wj f (kj ,M(kj ); p,M(p))

=Nmax∑j=1

wj f (kj ,Mj ; p,M(p))

where wj are the weights of the quadrature, kj thenodes and Mj = M(kj )

Page 46: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical Techniques

I We have an expression of the form

M(p) =

∫ ∞0

dk f (k,M(k); p,M(p))

≈∫ λ

κdk f (k ,M(k); p,M(p))

for κ→ 0 and λ→∞

I Using some quadrature rule, we have

M(p) =Nmax∑j=1

wj f (kj ,M(kj ); p,M(p))

=Nmax∑j=1

wj f (kj ,Mj ; p,M(p))

where wj are the weights of the quadrature, kj thenodes and Mj = M(kj )

Page 47: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical Techniques

I We have an expression of the form

M(p) =

∫ ∞0

dk f (k,M(k); p,M(p))

≈∫ λ

κdk f (k ,M(k); p,M(p))

for κ→ 0 and λ→∞I Using some quadrature rule, we have

M(p) =Nmax∑j=1

wj f (kj ,M(kj ); p,M(p))

=Nmax∑j=1

wj f (kj ,Mj ; p,M(p))

where wj are the weights of the quadrature, kj thenodes and Mj = M(kj )

Page 48: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical Techniques

I We have an expression of the form

M(p) =

∫ ∞0

dk f (k,M(k); p,M(p))

≈∫ λ

κdk f (k ,M(k); p,M(p))

for κ→ 0 and λ→∞I Using some quadrature rule, we have

M(p) =Nmax∑j=1

wj f (kj ,M(kj ); p,M(p))

=Nmax∑j=1

wj f (kj ,Mj ; p,M(p))

where wj are the weights of the quadrature, kj thenodes and Mj = M(kj )

Page 49: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical Techniques

Page 50: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical TechniquesI Instead of solving the equation over an entire domain of

p, we decide that it is enough to know the massfunction only in a discrete set of points

I We can use the same points of the quadrature nodes

p → pj = kj

I We are then left with a system of nonlinear algebraicequations

M1 =Nmax∑j=1

wj f (kj ,Mj ; k1,M1)

M2 =Nmax∑j=1

wj f (kj ,Mj ; k2,M2)

Mk =Nmax∑j=1

wj f (kj ,Mj ; kk ,Mk)

Page 51: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical TechniquesI Instead of solving the equation over an entire domain of

p, we decide that it is enough to know the massfunction only in a discrete set of points

I We can use the same points of the quadrature nodes

p → pj = kj

I We are then left with a system of nonlinear algebraicequations

M1 =Nmax∑j=1

wj f (kj ,Mj ; k1,M1)

M2 =Nmax∑j=1

wj f (kj ,Mj ; k2,M2)

Mk =Nmax∑j=1

wj f (kj ,Mj ; kk ,Mk)

Page 52: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical TechniquesI Instead of solving the equation over an entire domain of

p, we decide that it is enough to know the massfunction only in a discrete set of points

I We can use the same points of the quadrature nodes

p → pj = kj

I We are then left with a system of nonlinear algebraicequations

M1 =Nmax∑j=1

wj f (kj ,Mj ; k1,M1)

M2 =Nmax∑j=1

wj f (kj ,Mj ; k2,M2)

Mk =Nmax∑j=1

wj f (kj ,Mj ; kk ,Mk)

Page 53: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical TechniquesI Instead of solving the equation over an entire domain of

p, we decide that it is enough to know the massfunction only in a discrete set of points

I We can use the same points of the quadrature nodes

p → pj = kj

I We are then left with a system of nonlinear algebraicequations

M1 =Nmax∑j=1

wj f (kj ,Mj ; k1,M1)

M2 =Nmax∑j=1

wj f (kj ,Mj ; k2,M2)

Mk =Nmax∑j=1

wj f (kj ,Mj ; kk ,Mk)

Page 54: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical TechniquesI Instead of solving the equation over an entire domain of

p, we decide that it is enough to know the massfunction only in a discrete set of points

I We can use the same points of the quadrature nodes

p → pj = kj

I We are then left with a system of nonlinear algebraicequations

M1 =Nmax∑j=1

wj f (kj ,Mj ; k1,M1)

M2 =Nmax∑j=1

wj f (kj ,Mj ; k2,M2)

Mk =Nmax∑j=1

wj f (kj ,Mj ; kk ,Mk )

Page 55: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Numerical Techniques

Page 56: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I To have an analytical insight, let us go back to

M(p) = 2α

∫d3k

2π2

M(k)

k2 + M2(k)

1

(k − p)2

I Linearize this expression substituting M2(k) = m2

M(p) =2α

2π2

∫d3k

M(k)

k2 + m2

1

(k − p)2

I Next, define

M(p) = (p2 + m2)χ(p), χ(r) =

∫d3k

(2π)3χ(k)e ikr

I It is straightforward to see that χ(r) verifies

d2

dr2χ(r) +

2

r

d

drχ(r) +

(m2 − 2α

r

)χ(r) = 0

Page 57: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I To have an analytical insight, let us go back to

M(p) = 2α

∫d3k

2π2

M(k)

k2 + M2(k)

1

(k − p)2

I Linearize this expression substituting M2(k) = m2

M(p) =2α

2π2

∫d3k

M(k)

k2 + m2

1

(k − p)2

I Next, define

M(p) = (p2 + m2)χ(p), χ(r) =

∫d3k

(2π)3χ(k)e ikr

I It is straightforward to see that χ(r) verifies

d2

dr2χ(r) +

2

r

d

drχ(r) +

(m2 − 2α

r

)χ(r) = 0

Page 58: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I To have an analytical insight, let us go back to

M(p) = 2α

∫d3k

2π2

M(k)

k2 + M2(k)

1

(k − p)2

I Linearize this expression substituting M2(k) = m2

M(p) =2α

2π2

∫d3k

M(k)

k2 + m2

1

(k − p)2

I Next, define

M(p) = (p2 + m2)χ(p), χ(r) =

∫d3k

(2π)3χ(k)e ikr

I It is straightforward to see that χ(r) verifies

d2

dr2χ(r) +

2

r

d

drχ(r) +

(m2 − 2α

r

)χ(r) = 0

Page 59: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I To have an analytical insight, let us go back to

M(p) = 2α

∫d3k

2π2

M(k)

k2 + M2(k)

1

(k − p)2

I Linearize this expression substituting M2(k) = m2

M(p) =2α

2π2

∫d3k

M(k)

k2 + m2

1

(k − p)2

I Next, define

M(p) = (p2 + m2)χ(p), χ(r) =

∫d3k

(2π)3χ(k)e ikr

I It is straightforward to see that χ(r) verifies

d2

dr2χ(r) +

2

r

d

drχ(r) +

(m2 − 2α

r

)χ(r) = 0

Page 60: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I A solution to this equation is

χ(r) = Ce−mr

I The constant C is fixed such that M(0) = m

I The Fourier transform of χ(r) yields

M(p) =m3

p2 + m2

I Expectedly, M(p → 0) ∼ m and M(p →∞) ∼ 1/p2.

Page 61: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I A solution to this equation is

χ(r) = Ce−mr

I The constant C is fixed such that M(0) = m

I The Fourier transform of χ(r) yields

M(p) =m3

p2 + m2

I Expectedly, M(p → 0) ∼ m and M(p →∞) ∼ 1/p2.

Page 62: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I A solution to this equation is

χ(r) = Ce−mr

I The constant C is fixed such that M(0) = m

I The Fourier transform of χ(r) yields

M(p) =m3

p2 + m2

I Expectedly, M(p → 0) ∼ m and M(p →∞) ∼ 1/p2.

Page 63: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Analytical Insight

I A solution to this equation is

χ(r) = Ce−mr

I The constant C is fixed such that M(0) = m

I The Fourier transform of χ(r) yields

M(p) =m3

p2 + m2

I Expectedly, M(p → 0) ∼ m and M(p →∞) ∼ 1/p2.

Page 64: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)

I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finiteI Confinement is reinstated

Page 65: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finiteI Confinement is reinstated

Page 66: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finiteI Confinement is reinstated

Page 67: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finiteI Confinement is reinstated

Page 68: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finiteI Confinement is reinstated

Page 69: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finite

I Confinement is reinstated

Page 70: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

I The potential between two static charges in QED3 is

V (r) =e3G(0)

8πln(e2r) + cte +O

(1

r

)I Quenched approximation G(0) = 1

I There is confinement

I Including loops of massless fermions

G(q) =1

1 + e2Nf8q

→ 0 as q → 0

I Confinement is swept away

I Including loops of massive fermions, G(0) finiteI Confinement is reinstated

Page 71: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Confinement in QED3

Adapted from nucl-th/0007054

Page 72: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

Let us consider vacuum polarization effects into the SDE forthe fermion propagator

Consider Nf massless fermion families

This amounts to

G(q)

q2=

1

q2[1 + Π(q)]→ 1

q2 + e2Nf q8

Page 73: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

Let us consider vacuum polarization effects into the SDE forthe fermion propagator

Consider Nf massless fermion families

This amounts to

G(q)

q2=

1

q2[1 + Π(q)]→ 1

q2 + e2Nf q8

Page 74: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

Let us consider vacuum polarization effects into the SDE forthe fermion propagator

Consider Nf massless fermion families

This amounts to

G(q)

q2=

1

q2[1 + Π(q)]→ 1

q2 + e2Nf q8

Page 75: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

The resulting equation in this case is, setting e2 = 1,

M(p) =1

2π2p

∫ ∞0

dkkM(k)

k2 + M2(k)ln

[k + p + Nf /8

|k − p|+ Nf /8

]

Page 76: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

The resulting equation in this case is, setting e2 = 1,

M(p) =1

2π2p

∫ ∞0

dkkM(k)

k2 + M2(k)ln

[k + p + Nf /8

|k − p|+ Nf /8

]

Page 77: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

The resulting equation in this case is, setting e2 = 1,

M(p) =1

2π2p

∫ ∞0

dkkM(k)

k2 + M2(k)ln

[k + p + Nf /8

|k − p|+ Nf /8

]

Page 78: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I A more realistic situation would consider effectivescreening from fermion loops

I There will be a feed back between the amount of DGMand the screening

I Analyse the behavior of

e2

∫d3k γµ SF (k) Γν(k , p)∆µν(k − p)

Page 79: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I A more realistic situation would consider effectivescreening from fermion loops

I There will be a feed back between the amount of DGMand the screening

I Analyse the behavior of

e2

∫d3k γµ SF (k) Γν(k , p)∆µν(k − p)

Page 80: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I A more realistic situation would consider effectivescreening from fermion loops

I There will be a feed back between the amount of DGMand the screening

I Analyse the behavior of

e2

∫d3k γµ SF (k) Γν(k , p)∆µν(k − p)

Page 81: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I Ward identity

I (k − p)νΓν = S−1F (k)− S−1

F (p)

I Restricts Π(q) to be gauge invatiant

I We end up with

M(p) ∼∫

dkF (k)M(k)

k2 + M2(k)

(F (k),F (p))

1 + Π(k − p)

Page 82: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I Ward identity

I (k − p)νΓν = S−1F (k)− S−1

F (p)

I Restricts Π(q) to be gauge invatiant

I We end up with

M(p) ∼∫

dkF (k)M(k)

k2 + M2(k)

(F (k),F (p))

1 + Π(k − p)

Page 83: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I Ward identity

I (k − p)νΓν = S−1F (k)− S−1

F (p)

I Restricts Π(q) to be gauge invatiant

I We end up with

M(p) ∼∫

dkF (k)M(k)

k2 + M2(k)

(F (k),F (p))

1 + Π(k − p)

Page 84: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Vacuum Polarization Effects

I Ward identity

I (k − p)νΓν = S−1F (k)− S−1

F (p)

I Restricts Π(q) to be gauge invatiant

I We end up with

M(p) ∼∫

dkF (k)M(k)

k2 + M2(k)

(F (k),F (p))

1 + Π(k − p)

Page 85: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and ConfinementI Assume that the effective screening leads to chiral

symmetry restoration

I The vertex should be related to F (p) by the Wardidentity

I F (p) should be an homogeneous function of momentumin the IR :

F (ζp) = ζδF (p)

I Π(q) should also be homogeneous:

Π(ζq) = ζ−(1+δ)Π(q)

I Combining results

M(ζp) = M(p)!!

I There is an infrared collusion

Page 86: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and ConfinementI Assume that the effective screening leads to chiral

symmetry restorationI The vertex should be related to F (p) by the Ward

identity

I F (p) should be an homogeneous function of momentumin the IR :

F (ζp) = ζδF (p)

I Π(q) should also be homogeneous:

Π(ζq) = ζ−(1+δ)Π(q)

I Combining results

M(ζp) = M(p)!!

I There is an infrared collusion

Page 87: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and ConfinementI Assume that the effective screening leads to chiral

symmetry restorationI The vertex should be related to F (p) by the Ward

identityI F (p) should be an homogeneous function of momentum

in the IR :F (ζp) = ζδF (p)

I Π(q) should also be homogeneous:

Π(ζq) = ζ−(1+δ)Π(q)

I Combining results

M(ζp) = M(p)!!

I There is an infrared collusion

Page 88: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and ConfinementI Assume that the effective screening leads to chiral

symmetry restorationI The vertex should be related to F (p) by the Ward

identityI F (p) should be an homogeneous function of momentum

in the IR :F (ζp) = ζδF (p)

I Π(q) should also be homogeneous:

Π(ζq) = ζ−(1+δ)Π(q)

I Combining results

M(ζp) = M(p)!!

I There is an infrared collusion

Page 89: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and ConfinementI Assume that the effective screening leads to chiral

symmetry restorationI The vertex should be related to F (p) by the Ward

identityI F (p) should be an homogeneous function of momentum

in the IR :F (ζp) = ζδF (p)

I Π(q) should also be homogeneous:

Π(ζq) = ζ−(1+δ)Π(q)

I Combining results

M(ζp) = M(p)!!

I There is an infrared collusion

Page 90: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and ConfinementI Assume that the effective screening leads to chiral

symmetry restorationI The vertex should be related to F (p) by the Ward

identityI F (p) should be an homogeneous function of momentum

in the IR :F (ζp) = ζδF (p)

I Π(q) should also be homogeneous:

Π(ζq) = ζ−(1+δ)Π(q)

I Combining results

M(ζp) = M(p)!!

I There is an infrared collusion

Page 91: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and Confinement

Page 92: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

DMG and Confinement

Page 93: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 94: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry Breaking

I Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 95: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 96: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equations

I Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 97: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomena

I Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 98: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 99: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulations

I Heavy Ion CollisionsI RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 100: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 101: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHIC

I LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 102: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 103: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter Systems

I SuperconductivityI Graphene

Page 104: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI Superconductivity

I Graphene

Page 105: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Elucidating the Origin of Mass has lead us to the studytwo very interesting phenomena

I Dynamical Chiral Symmetry BreakingI Confinement

I Schwinger-Dyson equationsI Natural platform to study non-perturbative phenomenaI Infinite tower of relations among Green’s functions

I Compare against lattice simulationsI Heavy Ion Collisions

I RHICI LHC

I Condensed Matter SystemsI SuperconductivityI Graphene

Page 106: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagators

I Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 107: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteria

I QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 108: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGV

I Simultaneity of Dynamical Symmetry Restoration andDeconfinement in HIC

I Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 109: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HIC

I Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 110: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic Fields

I Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 111: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal Bath

I Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 112: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 113: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican Community

I Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 114: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groups

I SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 115: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE experts

I Lattice simulatorsI Interdisciplinary expertsI Young people

Page 116: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulators

I Interdisciplinary expertsI Young people

Page 117: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary experts

I Young people

Page 118: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

I Open issuesI IR behavior of Ghost and Gluon propagatorsI Confinement criteriaI QGVI Simultaneity of Dynamical Symmetry Restoration and

Deconfinement in HICI Nf in QED3

I ExtensionsI Magnetic FieldsI Thermal BathI Other theories

I Mexican CommunityI Working groupsI SDE expertsI Lattice simulatorsI Interdisciplinary expertsI Young people

Page 119: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

Page 120: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

Enjoy the Conference

Many Thanks

Page 121: Origin of Mass Lect. 3: Approach · Origin of Mass Lect. 3: Approach Alfredo Raya Contents DCSB and Con nement QED3 Con nement Final Remarks Origin of Mass Lect. 3: Approach Alfredo

Origin of MassLect. 3: Approach

Alfredo Raya

Contents

DCSB andConfinement

QED3

Confinement

Final Remarks

Final Remarks

Enjoy the Conference

Many Thanks


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