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Abstract: Reversible reaction-diffusion systems display anomalous dynamicscharacterized by a power-law relaxation toward stationarity. In this paper westudy in the aging regime the nonequilibrium dynamical properties of some modelsystems with reversible reactions. Starting from the exact Langevin equationsdescribing these models, we derive expressions for two-time correlation andautoresponse functions and obtain a simple aging behavior for these quantities.The autoresponse function is thereby found to depend on the specific nature ofthe chosen perturbation of the system.



Author: Vlad Elgart, Michel Pleimling

Source: https://arxiv.org/







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