Wavevector dependent dielectric constant of the MCY water model

被引：4

作者：

Omelyan, IP

机构：

[1] Inst. for Condensed Matter Physics, Natl. Ukrainian Academy of Sciences, UA-290011 Lviv

来源：

PHYSICS LETTERS A | 1996年 / 220卷 / 1-3期

关键词：

dielectric constant; models of water; Monte Carlo simulations;

D O I：

10.1016/0375-9601(96)00526-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The wavevector-dependent dielectric constant for a MCY model of water is evaluated in a wide region of wavenumbers by Monte Carlo simulations using the reaction field geometry. It is shown that values for the longitudinal component of the dielectric constant, calculated within the exact site-site description, differ in a characteristic way from those obtained by the point dipole approximation which is usually used in computer experiment. The intramolecular shape of the dielectric constant and the Kirkwood factor is examined in the infinite wavevector limit.

引用

页码：167 / 177

页数：11

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