Topological superfluid in one-dimensional spin-orbit coupled atomic   Fermi gases
  ARC Centre of Excellence for Quantum-Atom Optics, Centre for Atom Optics and Ultrafast Spectroscopy, Swinburne University of Technology, Melbourne 3122, Australia 
Xia-Ji Liu and Hui Hu
cond-mat.quant-gas cond-mat.str-el cond-mat.supr-con