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Few-atom approach to many-body physics
G.J. Conduit and P.O. Bugnion
POB, J. Lofthouse & GJC, Phys. Rev. Lett. 111, 045301 (2013)
POB & GJC, Phys. Rev. A 87, 060502(R) (2013)
POB & GJC, Phys. Rev. A 88, 013601 (2013)
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Two distinguishable fermions
G. Zürn et al. PRL 108 075303 (2012)
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Two distinguishable fermions
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Two distinguishable fermions
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Two distinguishable fermions
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Energy of states
Weakrepulsion
Strongrepulsion
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Polaron state
∞ atom
2 atom
J.B. McGuire, J. Math. Phys. 6, 432 (1965)
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Polaron state
∞ atom
6 atom
5 atom
4 atom
3 atom
2 atom
P.O. Bugnion & G.J. Conduit Phys. Rev. A 87, 060502(R) (2013)
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Polaron state
∞ atom
6 atom
5 atom
4 atom
3 atom
2 atom
A. Wenz et al., arXiv:1307.3443
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Three-atom bound state
StrongWeak
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Loss region
StrongWeak
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Tunneling probability
StrongWeak
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Other phenomena
Inhomogeneous pairing Exchange interactions
P.O. Bugnion, J.A. Lofthouse & GJCPhys. Rev. Lett. in press
P.O. Bugnion & GJCPhys. Rev. A 88, 013601 (2013)
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A few-fermion system provides insight into many-bodyphysics
Discretization of energy levels inhibits losses, allowingobservation of magnetic correlations
Summary