A variational approach to superfluidity

A variational approach to superfluidity
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超流动性的变分方法

DOI:
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发表时间:
1976
期刊:
影响因子:
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通讯作者:
A. Solomon
A. Solomon
中科院分区:
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文献类型:
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作者:
R. Critchley;A. Solomon

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本文描述了量子统计力学问题的变分方法,并给出了如何确定平衡态的最佳准自由近似。讨论了超流性中该近似与Bogoliubov近似的关系。
A variational approach to problems in quantum statistical mechanics is described and it is shown how to determine the best quasi-free approximation to the equilibrium state. The relation between this approximation and the Bogoliubov approximation in superfluidity is discussed.