PHASE-TRANSITIONS IN AN EXACTLY SOLUBLE ONE-DIMENSIONAL EXCLUSION PROCESS

被引:487
|
作者
SCHUTZ, G [1 ]
DOMANY, E [1 ]
机构
[1] WEIZMANN INST SCI, DEPT ELECTR, IL-76100 REHOVOT, ISRAEL
关键词
ASYMMETRIC EXCLUSION PROCESS; STEADY STATE; BOUNDARY-INDUCED PHASE TRANSITIONS;
D O I
10.1007/BF01048050
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We consider an exclusion process with particles injected with rate alpha at the origin and removed with rate beta at the right boundary of a one-dimensional chain of sites. The particles are allowed to hop onto unoccupied sites, to the right only. For the special case of alpha = beta = 1 the model was solved previously by Derrida et al. Here we extend the solution to general alpha, beta. The phase diagram obtained from our exact solution differs from the one predicted by the mean-field approximation.
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页码:277 / 296
页数:20
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