Fluctuation formula in the Nose-Hoover thermostated Lorentz gas -: art. no. 025202

被引：19
|
作者：
Dolowschiák, M [1 ]
Kovács, Z [1 ]
机构：
[1] Eotvos Lorand Univ, Inst Theoret Phys, H-1518 Budapest, Hungary
来源：
PHYSICAL REVIEW E | 2005年 / 71卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.71.025202
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：
In this paper we examine numerically the Gallavotti-Cohen fluctuation formula for phase-space contraction rate and entropy production rate fluctuations in the Nose-Hoover thermostated periodic Lorentz gas. Our results indicate that while the phase-space contraction rate fluctuations violate the fluctuation formula near equilibrium states, the entropy production rate fluctuations obey this formula near and far from equilibrium states as well.
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