DIRECTED WALK IN A ONE-DIMENSIONAL LATTICE GAS

被引:53
作者
BURLATSKY, SF
OSHANIN, GS
MOGUTOV, AV
MOREAU, M
机构
[1] UNIV PARIS 06,PHYS THEOR LIQUIDES LAB,F-75252 PARIS 05,FRANCE
[2] RUSSIAN ACAD SCI,INST CHEM PHYS,MOSCOW,USSR
关键词
D O I
10.1016/0375-9601(92)90368-V
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study the effects of a uniform drift superposed on the motion of a tracer particle in a dynamical background. We consider a 1D lattice gas containing electrically neutral hard-core bulk particles and a charged tracer one subjected to an external electric field, which favors the tracer's hopping in a preferred direction. We show that the mean displacement of the tracer particle grows with time as approximately t1/2 due to interactions with the bulk particles.
引用
收藏
页码:230 / 234
页数:5
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