R Metzler et al 2001 J. Phys. A: Math. Gen. 34 317 doi:10.1088/0305-4470/34/2/308
On time's arrow in Ehrenfest models with reversible deterministic dynamics
R Metzler1, W Kinzel1 and I Kanter2
Show affiliationsWe introduce a deterministic, time-reversible version of the Ehrenfest urn model. The distribution of first-passage times from equilibrium to non-equilibrium states and vice versa is calculated. We find that average times for transition to non-equilibrium always scale exponentially with the system size, whereas the timescale for relaxation to equilibrium depends on microscopic dynamics. To illustrate this, we also look at deterministic and stochastic versions of the Ehrenfest model with a distribution of microscopic relaxation times.
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Issue 2 (19 January 2001)
Received 26 July 2000
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On time's arrow in Ehrenfest models with reversible deterministic dynamics
R Metzler et al 2001 J. Phys. A: Math. Gen. 34 317
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