Fluctuation-dissipation relations in driven dissipative systems

Yair Shokef, Guy Bunin, and Dov Levine
Phys. Rev. E 73, 046132 – Published 25 April 2006

Abstract

Exact theoretical results for the violation of time-dependent fluctuation-dissipation relations in driven dissipative systems are presented. The ratio of the correlation to delayed response in the stochastic model introduced in [Phys. Rev. Lett. 93, 240601 (2004)] is shown to depend on measurement time. The fluctuation temperature defined by this ratio differs both from the temperature of the environment performing the driving, and from other effective temperatures of the system, such as the average energy (or “granular temperature”). General explanations are given for the time independence of the fluctuation temperature for simple measurements or long measurement times.

  • Figure
  • Received 16 November 2005

DOI:https://doi.org/10.1103/PhysRevE.73.046132

©2006 American Physical Society

Authors & Affiliations

Yair Shokef*, Guy Bunin, and Dov Levine

  • Department of Physics, Technion-Israel Institute of Technology, Haifa 32000, Israel

  • *Formerly: Srebro

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Issue

Vol. 73, Iss. 4 — April 2006

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