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Application of Ewald summations to long-range dispersion forces

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in ’t Veld, Pieter J., Ismail, Ahmed E., Grest, Gary S.·2007·The Journal of Chemical Physics

Abstract

Results illustrating the effects of using explicit summation terms for the r−6 dispersion term on the interfacial properties of a Lennard-Jones fluid and SPC/E water are presented. For the Lennard-Jones fluid, we find that the use of long-range summations, even with a short “crossover radius,” yields results that are consistent with simulations using large cutoff radii. Simulations of SPC/E water demonstrate that the long-range dispersion forces are of secondary importance to the Coulombic forces. In both cases, we find that the ratio of the box size L‖ to the crossover radius rck plays an important role in determining the magnitude of the long-range dispersion correction, although its effect is secondary when Coulombic interactions are also present.

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Metadata

Authors
in ’t Veld, P. J., Ismail, A. E., & Grest, G. S.
Venue
The Journal of Chemical Physics
Published
2007-10-11
Volume
127
Issue
14
Pages
144711-144711
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W2051263396
Cited by
194
References
0
FWCI
3.68
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Application of Ewald summations to long-range dispersion forces. https://app.cochat.ai/papers/10.1063/1.2770730
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in ’t Veld, P. J., Ismail, A. E., & Grest, G. S. (2007). Application of Ewald summations to long-range dispersion forces. The Journal of Chemical Physics. https://doi.org/10.1063/1.2770730

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