Affiliation:
1. Massey University
2. Institute for Basic Science
3. Victoria University of Wellington
Abstract
The interplay of spin-orbit coupling and Zeeman splitting in
ultracold Fermi gases gives rise to a topological superfluid phase in
two spatial dimensions that can host exotic Majorana excitations.
Theoretical models have so far been based on a four-band Bogoliubov-de
Gennes formalism for the combined spin-\mathbf{1/2}1/2
and particle-hole degrees of freedom. Here we present a simpler, yet
accurate, two-band description based on a well-controlled projection
technique that provides a new platform for exploring analogies with
chiral p-wave superfluidity and detailed future studies
of spatially non-uniform situations.
Subject
General Physics and Astronomy
Cited by
7 articles.
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