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Dispersion Energy from Density-Functional Theory Description of Monomers

Misquitta, Alston J., Jeziorski, Bogumil, Szalewicz, Krzysztof·2003·Physical Review Letters

Abstract

A method is proposed for calculations of dispersion energy at finite intermonomer separations. It uses a generalized Casimir-Polder formula evaluated with dynamic density susceptibilities provided by time-dependent density-functional theory. The method recovers the dispersion energies of He, Ne, and H2O dimers to within 3% or better. Since the computational effort of the new algorithm scales approximately as the third power of system size, the method is much more efficient than standard wave-function methods capable of predicting the dispersion energy at a similarly high level of accuracy.

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Metadata

Authors
Misquitta, A. J., Jeziorski, B., & Szalewicz, K.
Venue
Physical Review Letters
Published
2003-07-17
Volume
91
Issue
3
Pages
033201-033201
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2003825227
Cited by
369
References
0
FWCI
9.70
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Dispersion Energy from Density-Functional Theory Description of Monomers. https://app.cochat.ai/papers/10.1103/physrevlett.91.033201
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Misquitta, A. J., Jeziorski, B., & Szalewicz, K. (2003). Dispersion Energy from Density-Functional Theory Description of Monomers. Physical Review Letters. https://doi.org/10.1103/physrevlett.91.033201

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.