Studies on the retarded interaction between neutral atoms - I. Three-body London-van der Waals interaction of neutral atoms

Autor:	M. R. Aub, S. Zienau
Rok vydání:	1960
Předmět:	Wavelength symbols.namesake General Energy Energetic neutral atom Chemistry symbols Interaction energy Discrete dipole approximation van der Waals force Atomic physics
Zdroj:	Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. 257:464-476
ISSN:	2053-9169 0080-4630
DOI:	10.1098/rspa.1960.0166
Popis:	An expression for the non-additive, three-body interaction energy of three neutral atoms is deduced, by the methods of quantum electrodynamics. Non-relativistic reduction and dipole approximation result in an expression which for interatomic separations R small compared to the wavelengths of typical atomic transitions reduces to the triple-dipole energy varying as R –9 (Axilrod & Teller), whereas at distances large compared with these wavelengths, the three-body interaction energy becomes proportional to R –10 , owing to the influence of retardation.
Databáze:	OpenAIRE
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