Competing orders in one-dimensional spin-3/2 fermionic systems.

  • C. Peng Wu
  • Published 2005 in Physical review letters

Abstract

Novel competing orders are found in spin-3/2 cold atomic systems in one-dimensional optical traps and lattices. In particular, the quartetting phase, a four-fermion counterpart of Cooper pairing, exists in a large portion of the phase diagram. The transition between the quartetting and singlet Cooper pairing phases is controlled by an Ising symmetry… (More)

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