Quantum effects on dynamics of instabilities in Bose-Einstein condensates
Condensed Matter
2009-11-07 v2
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.
Cite
@article{arxiv.cond-mat/0109463,
title = {Quantum effects on dynamics of instabilities in Bose-Einstein condensates},
author = {V. A. Yurovsky},
journal= {arXiv preprint arXiv:cond-mat/0109463},
year = {2009}
}
Comments
LaTeX, 12 pages, 2 figures, uses REVTeX and psfig, final version submitted to Physical Review A, figures added