Topological superfluid transition induced by a periodically driven optical lattice

2012
6 pages
Published in:
  • Phys.Rev.A 86 (2012) 013639
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Abstract: (APS)
We propose a scenario to create a topological superfluid in a periodically driven two-dimensional square optical lattice. We study the phase diagram of a spin-orbit coupled s-wave pairing superfluid in a periodically driven two-dimensional square optical lattice. We find that a phase transition from a trivial superfluid to a topological superfluid occurs when the potentials of the optical lattices are periodically changed. The topological phase is called the Floquet topological superfluid and can host Majorana fermions.
Note:
  • In <a href=/search?p=eprint+1203.3848>arXiv:1203.3848</a> , page 013639
  • 71.70.Ej
  • 05.30.Pr
  • 03.75.Lm