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Rotational response of two-component Bose-Einstein condensates in ring traps.

By P. L. Halkyard, M. P. A. Jones and S. A. Gardiner


We consider a two-component Bose-Einstein condensate 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 through either 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

Publisher: American Physical Society
Year: 2010
DOI identifier: 10.1103/PhysRevA.81.061602
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