DEVIATION OF VAN DER WAALS INTERACTION FROM ADDITIVE RELATIONS | Zendy

Kun Huang | Zendy; Avril Rhys | Zendy

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DEVIATION OF VAN DER WAALS INTERACTION FROM ADDITIVE RELATIONS

Author(s) -

Kun Huang,

Avril Rhys

Publication year - 1951

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.8.207

Subject(s) - van der waals force , van der waals strain , van der waals surface , physics , isotropy , hamaker constant , dlvo theory , van der waals radius , interaction energy , theorem of corresponding states , lattice (music) , range (aeronautics) , statistical physics , quantum mechanics , condensed matter physics , materials science , chemistry , molecule , colloid , acoustics , composite material

With a lattice of isotropic point-oscillators as an idealized model, the error of the usual additive approximation for the van der Waals interaction in solids is estimated. For a few common crystals, the estimated errors for van der Waals energy and its first and second derivatives have values up to 13%, 34% and 70% respectively. The model moreover points to the possible importance of the long range dipolar interaction as a mechanism determining the structure of the exciton-band in. insulators.

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