Surface critical behavior of driven diffusive systems with open boundaries

被引:10
作者
Oerding, K [1 ]
Janssen, HK [1 ]
机构
[1] Heinrich Heine Univ, Inst Theoret Phys 3, D-40225 Dusseldorf, Germany
来源
PHYSICAL REVIEW E | 1998年 / 58卷 / 02期
关键词
D O I
10.1103/PhysRevE.58.1446
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Using field theoretic renormalization group methods we study the critical behavior of a driven diffusive system near a boundary perpendicular to the driving force. The boundary acts as a particle reservoir, which is necessary to maintain the critical particle density in the bulk. The scaling behavior of correlation and response functions is governed by a new exponent eta(1), which is related to the anomalous scaling dimension of the chemical potential of the boundary. The new exponent and a universal amplitude ratio for the density profile are calculated at first order in epsilon = 5 - d. Some of our results are checked by computer simulations.
引用
收藏
页码:1446 / 1454
页数:9
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