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Unconventional superfluidity in quasi-one-dimensional systems

Publication date2014
Abstract

We show that an unconventional superfluid triggered by spin-orbit coupling is realized for repulsively interacting quasi-one-dimensional fermions. A competition between spin-singlet and -triplet pairings occurs due to the breaking of inversion symmetry. We show that both superfluid correlations decay algebraically with the same exponent except for special coupling constants for which a dominant superfluid is controlled by the spin-orbit coupling. We also discuss a possible experiment to observe such phases with cold atoms.

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Citation (ISO format)
UCHINO, Shun, TOKUNO, Akiyuki, GIAMARCHI, Thierry. Unconventional superfluidity in quasi-one-dimensional systems. In: Physical review, A, Atomic, molecular, and optical physics, 2014, vol. 89, n° 2, p. 023623. doi: 10.1103/PhysRevA.89.023623
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ISSN of the journal1050-2947
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