Asymmetric fluctuation-relaxation paths in FPU models
classification
❄️ cond-mat.stat-mech
keywords
fluctuation-relaxationpathslocalnonequilibriumtemporalasymmetricasymmetriesasymmetry
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A recent theory by Bertini, De Sole, Gabrielli, Jona-Lasinio and Landim predicts a temporal asymmetry in the fluctuation-relaxation paths of certain observables of nonequilibrium systems in local thermodynamic equilibrium. We find temporal asymmetries in the fluctuation-relaxation paths of a form of local heat flow, in the nonequilibrium FPU-$\zb$ model of Lepri, Livi and Politi.
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