Note on an Approximation Treatment for Many-Electron Systems
1934/10/01 by Chr. Møller, CHR. KN. MØLLER, M. S. Plesset · 14,602 citations
Chemistry · Materials Science · Mathematics · Physics and Astronomy · #Advanced Chemical Physics Studies #Advanced Physical and Chemical Molecular Interactions #Applied mathematics #Electron #Electron and X-Ray Spectroscopy Techniques #First order #Hartree–Fock method #Mathematics #Order (exchange) #Perturbation (astronomy) #Perturbation theory (quantum mechanics) #Physics #Quantum electrodynamics #Quantum mechanics #Total energy #Zero (linguistics) #Zero order
paper · doi:10.1103/physrev.46.618
published in Physical Review 46(7), 618-622 (American Institute of Physics)
openalex publication_date 1934/10/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06
Abstract
A perturbation theory is developed for treating a system of n electrons in which the Hartree-Fock solution appears as the zero-order approximation. It is shown by this development that the first order correction for the energy and the charge density of the system is zero. The expression for the second-order correction for the energy greatly simplifies because of the special property of the zero-order solution. It is pointed out that the development of the higher approximation involves only calculations based on a definite one-body problem.
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