ANALYSIS OF THE EVANS AND BARANYAI VARIATIONAL PRINCIPLE IN DILUTE GASES

被引:10
作者
BREY, JJ [1 ]
SANTOS, A [1 ]
GARZO, V [1 ]
机构
[1] UNIV EXTREMADURA,DEPT FIS,E-06071 BADAJOZ,SPAIN
关键词
D O I
10.1103/PhysRevLett.70.2730
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A variational principle for thermostated nonequilibrium steady states recently proposed by Evans and Baranyai [Phys. Rev. Lett. 67, 2597 (1991)) is analyzed by means of a model kinetic equation for dilute gases. It is shown that the principle does not apply exactly, although deviations from it are small, especially when the gradients are not very large.
引用
收藏
页码:2730 / 2733
页数:4
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