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Quantum effects on dynamics of instabilities in Bose-Einstein condensates

V. A. Yurovsky
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Abstract

Dynamics of fluctuations in unstable Bose-Einstein condensates is analyzed by the solution of approximate operator equations. In the case of a condensate with a negative scattering length the present treatment describes a delay of collapse, in agreement with recent experiments. In the case of a collision of two condensate wavepackets it is shown that quantum effects lead to a Bose enhancement of elastic-scattering losses. In both cases the noncondensate atoms are formed as entangled pairs in squeezed states.

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V. A. Yurovsky. 2001-11-05. Quantum effects on dynamics of instabilities in Bose-Einstein condensates. https://doi.org/10.1103/physreva.65.033605

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