Scholarlink

In this Lecture, we calculate the second-order correction to the electron energyEnergyelectron energy and determine the correlation energy for the interaction of electrons with opposite spins. We analyze the inhomogeneous part of electron–ion interactionInteractionelectron–ion interaction and discuss the self-consistent approximation for the dielectric functionDielectric functionFunctiondielectric function in metal. We derive an expression for the polarization operator in the static case defined by the Lindhard functionLindhardLindhard function.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Lecture 17. Correlation Energy for the Interaction of Electrons with Opposite Spins

  • 章节

  • 发表日期：

    2026年

查看全文
  • Maxim Kagan

摘要

In this Lecture, we calculate the second-order correction to the electron energyEnergyelectron energy and determine the correlation energy for the interaction of electrons with opposite spins. We analyze the inhomogeneous part of electron–ion interactionInteractionelectron–ion interaction and discuss the self-consistent approximation for the dielectric functionDielectric functionFunctiondielectric function in metal. We derive an expression for the polarization operator in the static case defined by the Lindhard functionLindhardLindhard function.