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Nonequilibrium work fluctuations in a driven Ising model |
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| Authors: | G Gonnella L Rondoni |
| Institution: | a Dipartimento di Fisica, Università di Bari and Istituto Nazionale di Fisica Nucleare, Sezione di Bari, via Amendola 173, 70126 Bari, Italy b Dipartimento di Fisica and CNISM, Politecnico di Torino, and Istituto Nazionale di Fisica Nucleare, Sezione di Torino, c. Duca degli Abruzzi 24, 10129 Torino, Italy c Dipartimento di Matematica and CNISM, Politecnico di Torino, c. Duca degli Abruzzi 24, 10129 Torino, Italy d Instituto de Investigaciones Fisicoqumicas Teóricas y Aplicadas (INIFTA), UNLP, CCT La Plata - CONICET, Casilla de Correo 16 Sucursal 4 (1900) La Plata, Argentina |
| Abstract: | Monte Carlo simulations of a sheared Ising model are used to study nonequilibrium fluctuations of mechanical work. The validity of the transient (starting from equilibrium) and the steady state fluctuation relations is verified. A fluctuation relation has been also shown to hold for the mechanical work done on the system, during the transition between two nonequilibrium steady states corresponding to different drivings. |
| Keywords: | 05 40 -a 05 50 +q 05 70 Ln |
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