Transport Properties in Non-Equilibrium and Anomalous Systems Cover

Transport Properties in Non-Equilibrium and Anomalous Systems

ISBN/ASIN: 9783319017716,9783319017723 | 2014 | English | pdf | 125/131 pages | 2.24 Mb
Publisher: Springer International Publishing | Author: Dario Villamaina (auth.) | Edition: 1

The study of fluctuations in statistical physics has a long history, and a general theory is well established, connecting fluctuations to response properties of equilibrium systems. Remarkably, this framework fails as soon as some current is flowing across the system, driving it out of equilibrium.
The presence of currents is quite common in nature and produces rich phenomena which are far from being included in a general framework. This thesis focuses on this general problem by studying different models such as granular materials and systems exhibiting anomalous diffusion and shows how the generalized response techniques can be successfully used to catch the relevant degrees of freedom that drive the systems out of equilibrium.
This study paves the way to the use of the generalized fluctuation relations in an operative way, in order to extract information from a non-equilibrium system and to build the corresponding phenomenological theory.

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