Fluctuation Formula in the Nose-Hoover thermostated Lorentz gas

Details Fluctuation Formula in the Nose-Hoover thermostated Lorentz gas Fluctuation Formula in the Nose-Hoover thermostated Lorentz gas

2004-01-25

arxiv.org/abs/nlin/0401036v2

Phys. Rev. E 71, 025202(R) (2005)

Nonlinear Sciences

Chaotic Dynamics

4 pages, 8 figures

Scientific paper

10.1103/PhysRevE.71.025202

In this paper we examine numerically the Gallavotti-Cohen fluctuation formula for phase-space contraction rate and entropy production rate fluctuations in the Nos\'e-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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