Nonequilibrium Processes in Non-Hamiltonian Statistical Ensembles

Details Nonequilibrium Processes in Non-Hamiltonian Statistical Ensembles Nonequilibrium Processes in Non-Hamiltonian Statistical Ensembles

2003-04-09

arxiv.org/abs/cond-mat/0304221v2

Physics

Condensed Matter

Statistical Mechanics

10 pages in REVTeX preprint style

Scientific paper

A nonequilibrium statistical operator method is developed for ensembles of particles obeying non-Hamiltonian equations of motion in classical phase space. The main consequences of non-zero compressibility of phase space are examined in terms of time-dependent dynamic quantities. The generalized transport equations involve the phase-space compressibility in a non-trivial way. Our results are useful in molecular dynamics simulation studies as well as nonequilibrium or quasiclassical approximations of quantum-classical dynamics.

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