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تسجيل مستخدم جديدCoherence and Instability in a Driven Bose-Einstein Condensate: A Fully Dynamical Number-Conserving Approach
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We consider a Bose-Einstein condensate driven by periodic delta-kicks. In contrast to first-order descriptions, which predict rapid, unbounded growth of the noncondensate in resonant parameter regimes, the consistent treatment of condensate depletion in our fully-time-dependent, second-order description acts to damp this growth, leading to oscillations in the (non)condensate population and the coherence of the system.
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