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arXiv 0910.3558cond-mat.stat-mechcond-mat.quant-gasmath-phmath.MP
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稀玻色气体的临界温度

Critical Temperature of Dilute Bose Gases

Volker Betz, Daniel Ueltschi

摘要:

计算了三维均匀玻色气体中玻色-爱因斯坦凝聚的临界温度。我们的方法涉及的空间排列的模型,它应该是精确的粒子相互作用的散射长度的最低阶。我们发现,临界温度的变化与ρ ^{1/3}成正比,常数c = -2.33;这与物理学家目前的共识相矛盾。

英文摘要:

We compute the critical temperature of Bose-Einstein condensation in dilute three-dimensional homogeneous Bose gases. Our method involves the models of spatial permutations and it should be exact to lowest order in the scattering length of the particle interactions. We find that the change in the critical temperature is proportional to a rho^{1/3} with constant c = -2.33; this contradicts the current consensus among physicists.

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