Stability criteria for breached-pair superfluidity

Michael Mc Neil Forbes, Elena Gubankova, W. Vincent Liu, Frank Wilczek

Research output: Contribution to journalArticlepeer-review

143 Scopus citations

Abstract

We present simple, concrete, two-fermion models that exhibit thermodynamically stable Isotropic translationally invariant gapless superfluid states (breached-pair superfluidity). The mass ratio between the components and the momentum structure of the interaction are crucial for determining the stability of such states: Idealized, momentum-independent ("contact") interactions are insufficient.

Original languageEnglish (US)
Article number017001
JournalPhysical Review Letters
Volume94
Issue number1
DOIs
StatePublished - Jan 14 2005
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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