OALib Journal期刊
泛函积分与sine-Gordon-Thirring模型的统计平均值
, PP. 221-225
Keywords: 泛函积分 ,杂质耦合sine-Gordon-Thirring模型 ,统计平均值 ,图形表示
Abstract:
根据泛函积分方法研究了杂质耦合sine-Gordon-Thirring模型的统计物理性质,通过辅助玻色场技巧推导了弱耦合模型的有效势,由泛函行列式微扰展开获得了模型的自由能.另外,在弱耦合情况下计算了两个杂质和凝聚项的4阶统计平均值,还给出了有效势和统计平均值的图形表示.
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