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Exact non-equilibrium solutions of the Boltzmann equation under a time-dependent external force by Guéry-Odelin, D.; Muga, J. G.; Ruiz-Montero, M. J.; Trizac, E. is a scholarly article available to read on EtoBox.

What is Exact non-equilibrium solutions of the Boltzmann equation under a time-dependent external force about?

We construct a novel class of exact solutions to the Boltzmann equation, in both its classical and quantum formulation, for arbitrary collision laws. When the system is subjected to a specific external forcing, the precise form of which is worked out, non equilibrium damping-less solutions are admissible. They do not contradict the $H$-theorem, but are constructed from its requirements. Interestingly, these solutions hold for time-dependent confinement. We exploit them, in a reverse-engineering perspective, to work out a protocol that shortcuts any adiabatic transformation between two equilibrium states in an arbitrarily short time-span, for an interacting system. Particle simulations of the direct Monte Carlo type fully corroborate the analytical predictions.

Author

Guéry-Odelin, D.; Muga, J. G.; Ruiz-Montero, M. J.; Trizac, E.

Published

2014

Language

EN