Duality and exact correlations for a model of heat conduction

被引：69
|
作者：
Giardina, Cristian
Kurchan, Jorge
Redig, Frank
机构：
[1] Eindhoven Univ, Dept Math & Comp Sci, NL-5600 MB Eindhoven, Netherlands
[2] ESPCI, CNRS, F-75231 Paris, France
[3] Leiden Univ, Math Inst, NL-2333 CA Leiden, Netherlands
来源：
JOURNAL OF MATHEMATICAL PHYSICS | 2007年 / 48卷 / 03期
关键词：
D O I：
10.1063/1.2711373
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study a model of heat conduction with stochastic diffusion of energy. We obtain a dual particle process which describes the evolution of all the correlation functions. An exact expression for the covariance of the energy exhibits long-range correlations in the presence of a current. We discuss the formal connection of this model with the simple symmetric exclusion process.
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页数：15
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