Fluctuation relations without uniform large deviations (Articolo in rivista)

Type
Label
  • Fluctuation relations without uniform large deviations (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/174651-8113/46/33/335002 (literal)
Alternative label
  • Giacomo Gradenigo (1); Alessandro Sarracino (1); Andrea Puglisi (1); Hugo Touchette (2,3) (2013)
    Fluctuation relations without uniform large deviations
    in Journal of physics. A, Mathematical and theoretical (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giacomo Gradenigo (1); Alessandro Sarracino (1); Andrea Puglisi (1); Hugo Touchette (2,3) (literal)
Pagina inizio
  • 335002 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1751-8121/46/33/335002/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 46 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 33 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) CNR-ISC and Dipartimento di Fisica, Università di Roma 'La Sapienza', ple A Moro 2, I-00185, Roma, Italy (2) National Institute for Theoretical Physics (NITheP), Stellenbosch 7600, South Africa (3) Institute of Theoretical Physics, University of Stellenbosch, Stellenbosch 7600, South Africa (literal)
Titolo
  • Fluctuation relations without uniform large deviations (literal)
Abstract
  • We study the fluctuations of a stochastic Maxwell-Lorentz particle model driven by an external field to determine the extent to which fluctuation relations are related to large deviations. Focusing on the total entropy production of this model in its steady state, we show that, although the probability density of this quantity globally satisfies (by definition) a fluctuation relation, its negative tail decays exponentially with time, whereas its positive tail decays slower than exponentially with time because of long collision-free trajectories. This provides an example of a physical system for which the fluctuation relation does not derive, as commonly thought, from a probability density decaying everywhere exponentially with time or, in other words, from a probability density having a uniform large deviation form. (literal)
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