Entropy production of a bound nonequilibrium interface

@article{Barato2012EntropyPO,
  title={Entropy production of a bound nonequilibrium interface},
  author={Andre Cardoso Barato and Haye Hinrichsen},
  journal={Journal of Physics A},
  year={2012},
  volume={45},
  pages={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… 
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