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In this Lecture, we find the first-order Hartree–Fock correction to electron energyEnergyelectron energy. It proves to be negative leading to the formation of the exchange holeHoleexchange hole for the wave function of two electrons with parallel spins. We calculate the density–density (pairwise) correlation function and find its reduction at small distances.

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Lecture 16. Electron–Electron Interaction: Exchange Hole for the Wave Function of Two Electrons with Parallel Spins

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  • 发表日期：

    2026年

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  • Maxim Kagan

摘要

In this Lecture, we find the first-order Hartree–Fock correction to electron energyEnergyelectron energy. It proves to be negative leading to the formation of the exchange holeHoleexchange hole for the wave function of two electrons with parallel spins. We calculate the density–density (pairwise) correlation function and find its reduction at small distances.