NON-DEBYE RELAXATION IN STRUCTURALLY DISORDERED IONIC CONDUCTORS - EFFECT OF COULOMB INTERACTION

被引：235

作者：

MAASS, P ^{[1
]}

PETERSEN, J ^{[1
]}

BUNDE, A ^{[1
]}

DIETERICH, W ^{[1
]}

ROMAN, HE ^{[1
]}

机构：

[1] UNIV CONSTANCE,FAK PHYS,W-7750 CONSTANCE,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.66.52

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We perform Monte Carlo simulations for diffusion of charged particles in structurally disordered lattices. As a consequence of the Coulomb interaction, pronounced backward correlations occur which lead to power-law behavior of the relevant transport quantities at intermediate time and frequency scales. Both the exponents and the size of the dispersive regime depend on temperature. Our simulations suggest that the combined effect of disorder and Coulomb interaction provides a new mechanism for understanding non-Debye relaxation, which is experimentally known for a wide class of materials.

引用

页码：52 / 55

页数：4

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