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Article Dans Une Revue Physical Review E : Statistical, Nonlinear, and Soft Matter Physics Année : 2013

Fluctuation-response relations for nonequilibrium diffusions with memory,

Résumé

Strong interaction with other particles or feedback from the medium on a Brownian particle entail memory effects in the effective dynamics. We discuss the extension of the fluctuation-dissipation theorem to nonequilibrium Langevin systems with memory. An important application is to the extension of the Sutherland-Einstein relation between diffusion and mobility. Nonequilibrium corrections include the time-correlation between the dynamical activity and the velocity of the particle, which in turn leads to information about the correlations between the driving force and the particle's displacement.
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hal-00910378 , version 1 (27-11-2013)

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Christian Maes, Soghra Safaverdi, Paolo Visco, Frédéric van Wijland. Fluctuation-response relations for nonequilibrium diffusions with memory,. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2013, 87, pp.022125. ⟨10.1103/PhysRevE.87.022125⟩. ⟨hal-00910378⟩
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