Entropy production of a bound nonequilibrium interface

Details Entropy production of a bound nonequilibrium interface Entropy production of a bound nonequilibrium interface

2012-01-11

arxiv.org/abs/1201.2319v1

J. Phys. A: Math. Theor. 45 115005 (2012)

Physics

Condensed Matter

Statistical Mechanics

13 pages, 7 figures

Scientific paper

10.1088/1751-8113/45/11/115005

We study the entropy production of a microscopic model for nonequilibrium wetting. We show that, in contrast to the equilibrium case, a bound interface in a nonequilibrium steady state produces entropy. Interestingly, in some regions of the phase diagram a bound interface produces more entropy than a free interface. Moreover, by solving exactly a four-site system, we find that the first derivative of the entropy production with respect to the control parameter displays a discontinuity at the critical point of the wetting transition.

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