Pauli Blocking Effect on Efimov States Near Feshbach Resonance

Details Pauli Blocking Effect on Efimov States Near Feshbach Resonance Pauli Blocking Effect on Efimov States Near Feshbach Resonance

2010-10-29

arxiv.org/abs/1011.0006v3

Phys. Rev. Lett. 106 (2011) 145301

Physics

Condensed Matter

Quantum Gases

Scientific paper

10.1103/PhysRevLett.106.145301

In this Letter we study the effect of Pauli blocking on the Efimov states in a quantum Fermi gas and illustrate that the universal Efimov potential is altered at large distances. We obtain the universal spectrum flow of Efimov trimers when the Fermi density is varied and further consider the effect of scattering of trimers by the Fermi sea. We argue that the universal flow is robust against fluctuating particle-hole pairs that result in an infrared catastrophe in impurity problems.

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