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Stochastic thermodynamics for Ising chain and symmetric exclusion process

Toral,R;Van den Broeck,C;Escaff,D;Lindenberg, K
Physical Review E 95, 032114 (2017)

We verify the finite-time fluctuation theorem for a linear Ising chain in contact with heat reservoirs at its ends. Analytic results are derived for a chain consisting of two spins. The system can be mapped onto a model for particle transport, namely, the symmetric exclusion process in contact with thermal and particle reservoirs. We modify the symmetric exclusion process to represent a thermal engine and reproduce universal features of the efficiency at maximum power.