Core filling and snaking instability of dark solitons in spin-imbalanced superfluid Fermi gases
Abstract
We use the time-dependent Bogoliubov-de Gennes equations to study dark solitons in three-dimensional spin-imbalanced superfluid Fermi gases. We explore how the shape and dynamics of dark solitons are altered by the presence of excess unpaired spins which fill their low-density core. The unpaired particles broaden the solitons and suppress the transverse snake instability. We discuss ways of observing these phenomena in cold-atom experiments. © 2017 American Physical Society.
Date Published
Journal
Physical Review A
Volume
95
Issue
5
URL
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85021763973&doi=10.1103%2fPhysRevA.95.053637&partnerID=40&md5=009d3686b36f0d6e05cc445b5ecda59d
DOI
10.1103/PhysRevA.95.053637
Research Area
Group (Lab)
Funding Source
1508300