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Time-reversal symmetry relation for nonequilibrium flows ruled by the fluctuating Boltzmann equation


  • Gaspard, Pierre


A time-reversal symmetry relation is established for out-of-equilibrium dilute or rarefied gases described by the fluctuating Boltzmann equation. The relation is obtained from the associated coarse-grained master equation ruling the random numbers of particles in cells of given position and velocity in the one-particle phase space. The symmetry relation concerns the fluctuating particle and energy currents of the gas flowing between reservoirs or thermalizing surfaces at given particle densities or temperatures.

Suggested Citation

  • Gaspard, Pierre, 2013. "Time-reversal symmetry relation for nonequilibrium flows ruled by the fluctuating Boltzmann equation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(4), pages 639-655.
  • Handle: RePEc:eee:phsmap:v:392:y:2013:i:4:p:639-655
    DOI: 10.1016/j.physa.2012.10.006

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