Physics – Condensed Matter – Superconductivity
Scientific paper
2008-12-20
Phys. Rev. Lett 103, 010404, (2009)
Physics
Condensed Matter
Superconductivity
4 + pages, 1 figure; minor typos, added references and extended discussion of experimental implications
Scientific paper
We develop a low-energy model of a unidirectional Larkin-Ovchinnikov (LO) state. Because the underlying rotational and translational symmetries are broken spontaneously, this gapless superfluid is a smectic liquid crystal, that exhibits fluctuations that are qualitatively stronger than in a conventional superfluid, thus requiring a fully nonlinear description of its Goldstone modes. Consequently, at nonzero temperature the LO superfluid is an algebraic phase even in 3d. It exhibits half-integer vortex-dislocation defects, whose unbinding leads to transitions to a superfluid nematic and other phases. In 2d at nonzero temperature, the LO state is always unstable to a charge-4 nematic superfluid. We expect this superfluid liquid-crystal phenomenology to be realizable in imbalanced resonant Fermi gases trapped isotropically.
Radzihovsky Leo
Vishwanath Ashvin
No associations
LandOfFree
Quantum liquid crystals in imbalanced Fermi gas: fluctuations and fractional vortices in Larkin-Ovchinnikov states does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Quantum liquid crystals in imbalanced Fermi gas: fluctuations and fractional vortices in Larkin-Ovchinnikov states, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantum liquid crystals in imbalanced Fermi gas: fluctuations and fractional vortices in Larkin-Ovchinnikov states will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-103762