Abstract
The exact large deviation function (ldf) for the fluctuations of the energy density field is computed for a chain of Ising (or more generally Potts) spins driven by a zero-temperature (dissipative) Glauber dynamics and sustained in a nontrivial stationary regime by an arbitrary energy injection mechanism at the boundary of the system. It is found that this ldf is independent of the dynamical details of the energy injection, and that the energy fluctuations, unlike conservative systems in a nonequilibrium state, are not spatially correlated in the stationary regime.
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Farago, J. Energy Profile Fluctuations in Dissipative Nonequilibrium Stationary States. J Stat Phys 118, 373–405 (2005). https://doi.org/10.1007/s10955-004-8814-4
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DOI: https://doi.org/10.1007/s10955-004-8814-4