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Fluctuation relation, fluctuation theorem, thermostats and entropy creation in non equilibrium statistical Physics
Giovanni Gallavotti
A unified viewpoint is presented in margin to the ``Work, dissipation and fluctuations in nonequilibrium physics'', Bruxelles 22-25 March, 2006, where the topics were discussed by…
Microscopic chaos and macroscopic entropy in fluids
Giovanni Gallavotti
In nonequilibrium thermodynamics macroscopic entropy creation plays an important role. Here we study, from various viewpoints, its relation with the phase space contraction, which…
Boundary Dissipation in a Driven Hard Disk System
P. L. Garrido, G. Gallavotti
A simulation is performed aiming at checking the existence of a well defined stationary state for a two dimensional system of driven hard disks when energy dissipation takes place…
Entropy, Thermostats and Chaotic Hypothesis
Giovanni Gallavotti
The chaotic hypothesis is proposed as a basis for a general theory of nonequilibrium stationary states. Version 2: new comments added after presenting this talk at the Meeting ment…
Entropy, Nonequilibrium, Chaos and Infinitesimals
Giovanni Gallavotti
A survey of the approach to Statistical Mechanics following Boltzmann's theory of ensembles and ergodic hypothesis leading to chaoticity as a unifying principle of equilibrium and…
A fluctuation theorem in a random environment
F. Bonetto, G. Gallavotti, G. Gentile
A simple class of chaotic systems in a random environment is considered and the fluctuation theorem is extended under the assumption of reversibility.
Borel summability and Lindstedt series
O. Costin, G. Gallavotti, G. Gentile +1
Resonant motions of integrable systems subject to perturbations may continue to exist and to cover surfaces with parametric equations admitting a formal power expansion in the stre…