Aging processes in reversible reaction-diffusion systems
arXiv:0804.1915 · doi:10.1103/PhysRevE.77.051134
Abstract
Reversible reaction-diffusion systems display anomalous dynamics characterized by a power-law relaxation toward stationarity. In this paper we study in the aging regime the nonequilibrium dynamical properties of some model systems with reversible reactions. Starting from the exact Langevin equations describing these models, we derive expressions for two-time correlation and autoresponse functions and obtain a simple aging behavior for these quantities. The autoresponse function is thereby found to depend on the specific nature of the chosen perturbation of the system.
12 pages, accepted for publication in Phys. Rev. E
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