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cond-mat.quant-gas2018
Phase spreading and temporal coherence of a pair-condensed Fermi gas at low temperature
Yvan Castin
A condensate of pairs in an isolated, homogeneous, unpolarised, finite-size spin 1/2 Fermi gas at low nonzero temperature T, undergoes with time a phase change with a random compon…
cond-mat.quant-gas2018★ 44 cited
Pair-Breaking Collective Branch in BCS Superconductors and Superfluid Fermi Gases
Hadrien Kurkjian, S. N. Klimin, J. Tempere +1
We demonstrate the existence of a collective excitation branch in the pair-breaking continuum of superfluid Fermi gases and BCS superconductors. At zero temperature, we analyticall…