Especially when the time path is a highly non-linear, the polynomial rules become very complex and difficult to operate.
特别是当时间路径为高度非线性时，多项式法则变得很复杂且很难操作。
Based on the closed time path formalism, a deduced Feynman rule for directly calculating the retarded and advanced Green functions is given.
在闭合时间路径温度场论基础上，导出了直接计算推迟和超前格林函数的一种费曼规则。
The Lagrangian formulation of the critical dynamics is recovered in the second order approximation of fluctuations in the closed time path continuous integral.
在闭路连续积分中取涨落二级近似，得到临界动力学的拉氏场论表述。
By using the generating functional and the transformations for different forms of the closed time path Green's functions, the general equations on nonlinear response are derived.
本文是关于非线性响应理论的文章的前半部分。由闭路格林函数的生成泛函的展开式及闭路格林函数的变换关系导出非线性响应的一般表示式。
Thermal Renormalization Group equations are derived in the framework of Closed Time Path formalism in real time temperature field theory.
在闭合时间路径的实时温度场论的框架下，导出了热重整化群方程。
Thermal Renormalization Group equations are derived in the framework of Closed Time Path formalism in real time temperature field theory.
在闭合时间路径的实时温度场论的框架下，导出了热重整化群方程。
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