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.

Keywords

ElectronZero orderZero (linguistics)Perturbation theory (quantum mechanics)PhysicsHartree–Fock methodOrder (exchange)Quantum electrodynamicsPerturbation (astronomy)Total energyQuantum mechanicsFirst orderMathematicsApplied mathematics

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Publication Info

Year
1934
Type
article
Volume
46
Issue
7
Pages
618-622
Citations
14376
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CHR. KN. MØLLER, M. S. Plesset (1934). Note on an Approximation Treatment for Many-Electron Systems. Physical Review , 46 (7) , 618-622. https://doi.org/10.1103/physrev.46.618

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DOI
10.1103/physrev.46.618