A variational approach to superfluidity
A variational approach to superfluidity
复制标题
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
中科院分区:
文献类型:
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作者:
R. Critchley;A. Solomon
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.