The fluctuation theorem of Gallavotti and Cohen holds for finite systems undergoing Langevin dynamics. In such a context all non-trivial ergodic theory issues are bypassed, and the theorem takes a particularly simple form. As a particular case, we obtain a nonlinear fluctuation-dissipation theorem valid for equilibrium systems perturbed by arbitrarily strong fields.
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PUBLICATION RECORD
- Publication year
1997
- Venue
Journal of Physics A
- Publication date
1997-09-26
- Fields of study
Mathematics, Physics
- Identifiers
- External record
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