Phase separation and multistability of two-component Bose-Einstein condensate in an optical cavity
arXiv:2202.13609 · doi:10.1103/PhysRevA.105.063318
Abstract
We examine the multistability associated with miscibility-immiscibility conditions for a two-component Bose-Einstein condensate coupled to the light field in an optical cavity. For a strongly immiscible condition, the system exhibits a variety of density structures, including separated state, stripe state, and their coexistence. The multistability arises from these spatial structures of the two-component condensate, which significantly alter the hysteresis curve with respect to the intensity of cavity pumping. We present a variational approach to confirm our numerical results.
9 pages and 8 figures
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- Control, competition and coexistence of effective magnetic orders by interactions in Bose-Einstein condensates with high-Q cavities