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One-dimensional interacting electrons beyond the Dzyaloshinskii-Larkin theorem

机译:Dzyaloshinskii-Larkin定理以外的一维相互作用电子

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We consider one-dimensional (ID) interacting electrons beyond the Dzyaloshinskii-Larkin theorem, i.e., keeping forward-scattering interactions among the electrons but adding a nonlinear correction to the electron dispersion relation. The latter generates multiloop corrections to the polarization operator and electron self-energy, thereby providing a variety of inelastic processes affecting equilibrium as well as nonequilibrium properties of the ID system. We first review the computation of equilibrium properties, e.g., the high-frequency part of the dynamical structure factor and corrections to the electron-electron scattering rate. On this basis, microscopic equilibration processes are identified and a qualitative estimate of the relaxation rate of thermal carriers is given.
机译:我们考虑了Dzyaloshinskii-Larkin定理之外的一维(ID)相互作用电子,即保持电子之间的前向散射相互作用,但为电子弥散关系添加了非线性校正。后者对极化算子和电子自能产生多环校正,从而提供影响ID系统平衡和非平衡特性的各种非弹性过程。我们首先回顾平衡特性的计算,例如动力学结构因子的高频部分以及对电子-电子散射率的校正。在此基础上,确定了微观平衡过程,并给出了热载流子弛豫率的定性估计。

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