Rotational Response of Two-Component Bose-Einstein Condensates in Ring Traps

Details Rotational Response of Two-Component Bose-Einstein Condensates in Ring Traps Rotational Response of Two-Component Bose-Einstein Condensates in Ring Traps

2010-01-28

arxiv.org/abs/1001.5233v2

Phys. Rev. A 81, 061602(R) (2010)

Physics

Condensed Matter

Quantum Gases

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.81.061602

We consider a two-component Bose-Einstein condensate (BEC) in a ring trap in a rotating frame, and show how to determine the response of such a configuration to being in a rotating frame, via accumulation of a Sagnac phase. This may be accomplished either through population oscillations, or the motion of spatial density fringes. We explicitly include the effect of interactions via a mean-field description, and study the fidelity of the dynamics relative to an ideal configuration.

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