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Unconventional superfluidity in quasi-one-dimensional systems

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Published in Physical Review. A. 2014, vol. 89, no. 2, p. 023623
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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Research group Groupe Giamarchi
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UCHINO, Shun, TOKUNO, Akiyuki, GIAMARCHI, Thierry. Unconventional superfluidity in quasi-one-dimensional systems. In: Physical Review. A, 2014, vol. 89, n° 2, p. 023623. https://archive-ouverte.unige.ch/unige:35550

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Deposited on : 2014-04-09

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