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:
Physical review. A, Atomic, molecular, and optical physics
影响因子:
--
通讯作者:
K. Burnett
K. Burnett
中科院分区:
--
文献类型:
--
作者:
R. J. Dodd;M. Edwards;Carl J. Williams;C. W. Clark;Murray Holland;P. A. Ruprecht;K. Burnett

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玻色-爱因斯坦凝聚体的性质和稳定性受到粒子间吸引力的强烈影响。我们描述的空间分布,稳定性和碰撞损失率的弱相互作用气体在平均场的限制。我们展示了如何凝聚的合同,并成为不稳定的凝聚原子的数目增加。我们进一步表明,原子的数量是如何受到限制的碰撞损失率与收缩的凝聚体,这种损失是除了粒子喷射衰变确定的卡根等人。\textcopyright{} 1996年美国物理学会。
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.
I.Adachi:物理学博士。
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