Intermediate-Temperature Superfluidity in an Atomic Fermi Gas with Population Imbalance
Journal Article
·
· Physical Review Letters
- James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637 (United States)
We derive the underlying finite temperature theory which describes Fermi gas superfluidity with population imbalance in a homogeneous system. We compute the pair formation temperature, superfluid transition temperature T{sub c}, and superfluid density in a manner consistent with the standard ground state equations and, thereby, present a complete phase diagram. Finite temperature stabilizes superfluidity, as manifested by two solutions for T{sub c} or by low T instabilities. At unitarity, the polarized state is an 'intermediate-temperature superfluid'.
- OSTI ID:
- 20860738
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 9 Vol. 97; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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