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Journal of Mathematical Chemistry

, Volume 46, Issue 1, pp 86–96 | Cite as

A perspective on the link between the exchange(-correlation) hole and dispersion forces

  • Paul W. Ayers
Original Paper

Abstract

In a recent series of papers, Becke and Johnson have proposed an elegant model for London dispersion (van der Waals’) forces in terms of the exchange hole. A perspective on this work is presented here, showing how the exchange-correlation hole is naturally related to “conventional” perturbative approaches to dispersion. The key to establishing this link is the fluctuation-dissipation theorem, which allows the exchange-correlation hole to be related to the frequency-dependent linear response.

Keywords

Dispersion Model Exchange Hole System Average Dispersion Interaction Dispersion Force 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Department of ChemistryMcMaster UniversityHamiltonCanada

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