DIFFUSION IN A CHARGED LATTICE GAS - A MONTE-CARLO STUDY

被引:16
|
作者
DIETERICH, W [1 ]
PETERSEN, J [1 ]
BUNDE, A [1 ]
ROMAN, HE [1 ]
机构
[1] UNIV HAMBURG,INST THEORET PHYS,W-2000 HAMBURG 36,GERMANY
关键词
Electric Conductivity--Mathematical Models - Gases--Kinetic Theory - Glass--Electric Conductivity - Ions--Diffusion - Mathematical Statistics--Monte Carlo Methods;
D O I
10.1016/0167-2738(90)90317-K
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Correlated diffusion of defects in ionic conductors is investigated by Monte Carlo simulations. Taking Coulomb interactions explicitly into account, we obtain the diffusion constant and the time-dependent mean-square displacement of individual particles for both ordered and disordered lattices. The relevance of our calculations to glassy ionic conductors and to the problem of the so-called "universal ac-response" is pointed out. © 1990.
引用
收藏
页码:184 / 186
页数:3
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