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Mean—Field Calculations for the Three—Dimensional Holstein Model
引用本文:罗强,刘川.Mean—Field Calculations for the Three—Dimensional Holstein Model[J].中国物理快报,2002,19(8):1184-1186.
作者姓名:罗强  刘川
作者单位:SchoolofPhysics,PekingUniversity,Beijing100871
摘    要:The electron-phonon Holstein model is studied in three spatial dimensions.It is argued that this model can be used to account for major features of the high-Tc BaPb1-xBixO3 and BaxK1-xBiO3 systems.Mean-field calculations are performed via a path integral representation of the model.Charge-density-wave order parameters and transition temperatures are obtained.

关 键 词:合金  高温超导体  平均场计算  Holstein模型
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