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Relation between the local field at large distances from a charge or dipole and the dielectric constant.

Abstract：

:The local field at large distances from a charged or dipolar impurity in a nonpolar polarizable fluid is related to the dielectric constant of the medium. The predicted local field agrees accurately with molecular dynamics results. In contrast, the usual continuum theory prediction is only accurate to first order in the polarizability and leads to serious error for realistic values of the polarizability. At smaller distances these relations cannot be used to define a physically reasonable local dielectric constant and consequently the local field is more satisfactorily described in terms of a screening function.

journal_name

Proc Natl Acad Sci U S A

journal_title

Proceedings of the National Academy of Sciences of the United States of America

authors

Pollock EL,Alder BJ,Pratt LR

doi

10.1073/pnas.77.1.49

subject

Has Abstract

pub_date

1980-01-01 00:00:00

pages

49-51

issue

1

eissn

0027-8424

issn

1091-6490

journal_volume

77

pub_type

杂志文章

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