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Pollock EL, Alder BJ, Pratt LR. Relation between the local field at large distances from a charge or dipole and the dielectric constant. Proc Natl Acad Sci U S A. 1980;77(1):49-51doi: 10.1073/pnas.77.1.49.
Pollock, E. L., Alder, B. J., & Pratt, L. R. (1980). Relation between the local field at large distances from a charge or dipole and the dielectric constant. Proceedings of the National Academy of Sciences of the United States of America, 77(1), 49-51. https://doi.org/10.1073/pnas.77.1.49
Pollock, E L, et al. "Relation between the local field at large distances from a charge or dipole and the dielectric constant." Proceedings of the National Academy of Sciences of the United States of America vol. 77,1 (1980): 49-51. doi: https://doi.org/10.1073/pnas.77.1.49
Pollock EL, Alder BJ, Pratt LR. Relation between the local field at large distances from a charge or dipole and the dielectric constant. Proc Natl Acad Sci U S A. 1980 Jan;77(1):49-51. doi: 10.1073/pnas.77.1.49. PMID: 16592760; PMCID: PMC348205.
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Proc Natl Acad Sci U S A. 1980 Jan;77(1):49-51. doi: 10.1073/pnas.77.1.49.

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

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

E L Pollock, B J Alder, L R Pratt

Affiliations

  1. Theoretical Physics Division, Lawrence Livermore Laboratory, University of California, Livermore, California 94550.

PMID: 16592760 PMCID: PMC348205 DOI: 10.1073/pnas.77.1.49

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.

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