Electron Correlations in Narrow Energy Bands. V. A Perturbation Expansion About the Atomic Limit

A perturbation expansion about the atomic limit in powers of the interaction between atoms is developed and a graphical analysis of the terms of the series is described. The manner in which the series degenerates in the band theory limit is discussed and a rule for generating approximations valid in...

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Veröffentlicht in:	Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1967-01, Vol.296 (1444), p.82-99
1. Verfasser:	Hubbard, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic interactions Atoms Electrons Energy bands Greens function Line graphs Perturbation theory Product labeling Self consistent fields Vertices
Online-Zugang:	Volltext
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