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  • Hyldgaard, Per,1964Malmö högskola,Institutionen för materialvetenskap och tillämpad matematik (MTM),Chalmers tekniska högskola,Chalmers University of Technology (author)

Interpretation of van der Waals density functionals

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • American Physical Society,2014
  • electronicrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:mau-2280
  • https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-2280URI
  • https://doi.org/10.1103/PhysRevB.90.075148DOI
  • https://research.chalmers.se/publication/203372URI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The nonlocal correlation energy in the van der Waals density functional (vdW-DF) method can be interpreted in terms of a coupling of zero-point energies of characteristic modes of semilocal exchange-correlation (xc) holes. These xc holes reflect the internal functional in the framework of the vdW-DF method. We explore the internal xc hole components, showing that they share properties with those of the generalized-gradient approximation. We use these results to illustrate the nonlocality in the vdW-DF description and analyze the vdW-DF formulation of nonlocal correlation.

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  • Berland, Kristian,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)berland (author)
  • Schröder, Elsebeth,1966Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)schroder (author)
  • Malmö högskolaInstitutionen för materialvetenskap och tillämpad matematik (MTM) (creator_code:org_t)

Related titles

  • In:Physical Review B. Condensed Matter and Materials Physics: American Physical Society90:71098-01211550-235X2469-99502469-9969

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