Friday, June 28, 2013

1306.6610 (Ryan M. Wilson et al.)

Rashba Spin-Orbit Coupled Bose-Einstein Condensates with Dipolar

Ryan M. Wilson, Brandon M. Anderson, Charles W. Clark
We study the effects of dipolar interactions on a Bose-Einstein condensate with synthetically generated Rashba spin-orbit coupling. The dipolar interaction includes long-range direct and spin-exchange terms in addition to terms that couple spin and orbital angular momentum in a way perfectly congruent with the single-particle Rashba coupling. We show that this internal spin-orbit coupling plays a crucial role in the rich ground state phase diagram of the trapped condensate, exhibiting topological spin textures including a meron spin configuration.
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