半束缚金属电子子系统的广义“Jelvis”模型粘弹性描述
Viscoelastic description of electron subsystem of a semi-bounded metal within generalized "jellium" model
摘要:
本文在广义“jeldom”模型的基础上,利用非平衡统计Zubarev算符方法,提出了半束缚金属电子子系统的粘弹性描述。用泛函积分方法计算了非平衡统计算符和准平衡配分函数。在高斯近似和更高的近似下得到了非平衡态电子密度和动量平均值的输运方程,在准平衡态配分函数的计算中,它对应于三阶累积量平均。
英文摘要:
Viscoelastic description of the electron subsystem of a semi-bounded metal on the basis of the generalized "jellium" model using the method of nonequilibrium statistical Zubarev operator is proposed. The nonequilibrium statistical operator and the quasi-equilibrium partition function calculated by means of the functional integration method are obtained. Transport equations for nonequilibrium mean values of electron density and momentum are received in the Gaussian approximation and in the following higher approximation that corresponds to the third-order cumulant averages in calculation of the quasi-equilibrium partition function.
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