Van der Waals forces between nanoclusters: Importance of many-body effects

Hye Young Kim, Jorge O. Sofo, Darrell Velegol, Milton W. Cole, Amand A. Lucas

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Van der Waals interactions between nanoclusters have been calculated with a self-consistent, coupled dipole method. The method accounts for all many-body (MB) effects. Comparison is made between the exact potential energy, V, and the values obtained with two alternative methods: the sum of two-body interactions and the sum of two-body and three-body interactions. For all cases considered, the three-body term alone does not accurately represent the MB contributions to V. MB contributions are especially large for shape-anisotropic clusters.

Original languageEnglish (US)
Article number074504
JournalJournal of Chemical Physics
Volume124
Issue number7
DOIs
StatePublished - Feb 28 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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