Role of attractive interactions on Bose-Einstein condensation.
Role of attractive interactions on Bose-Einstein condensation.
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吸引相互作用对玻色-爱因斯坦凝聚的作用。
DOI:
10.1103/physreva.54.661
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发表时间:
1996
期刊:
影响因子:
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通讯作者:
K. Burnett
中科院分区:
文献类型:
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作者:
R. J. Dodd;M. Edwards;Carl J. Williams;C. W. Clark;Murray Holland;P. A. Ruprecht;K. Burnett
The properties and stability of a trapped Bose-Einstein condensate are strongly influenced by attractive interactions between the particles. We describe the spatial distribution, stability, and collisional loss rates for a weakly interacting gas in the mean-field limit. We show how the condensate contracts and becomes unstable as the number of condensate atoms increases. We further show how the number of atoms is limited by the collisional loss rates associated with the contraction of the condensate; this loss is in addition to the particle ejection decay indentified by Kagan et al. \textcopyright{} 1996 The American Physical Society.
DOI:
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