Comment on "Current fluctuations in non-equilibrium diffusive systems: an additivity principle"
classification
❄️ cond-mat.stat-mech
cond-mat.mes-hall
keywords
additivitydiffusivepointprinciplebodineaucommentcurrentderrida
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We point out that the "additivity principle" and "scaling hypothesis" postulated by Bodineau and Derrida in Phys. Rev. Lett 92, 180601 (2004), follow naturally from the saddle point evaluation of a diffusive field theory.
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