Journal of Statistical Physics

, Volume 123, Issue 6, pp 1339–1360 | Cite as

Memory Effects in Nonequilibrium Transport for Deterministic Hamiltonian Systems

  • Jean-Pierre Eckmann
  • Carlos Mejía-Monasterio
  • Emmanuel Zabey


We consider nonequilibrium transport in a simple chain of identical mechanical cells in which particles move around. In each cell, there is a rotating disc, with which these particles interact, and this is the only interaction in the model. It was shown in Ref. 1 that when the cells are weakly coupled, to a good approximation, the jump rates of particles and the energy-exchange rates from cell to cell follow linear profiles. Here, we refine that study by analyzing higher-order effects which are induced by the presence of external gradients for situations in which memory effects, typical of Hamiltonian dynamics, cannot be neglected. For the steady state we propose a set of balance equations for the particle number and energy in terms of the reflection probabilities of the cell and solve it phenomenologically. Using this approximate theory we explain how these asymmetries affect various aspects of heat and particle transport in systems of the general type described above and obtain in the infinite volume limit the deviation from the theory in Ref. 1 to first-order. We verify our assumptions with extensive numerical simulations.


heat transport 


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Copyright information

© Springer Science + Business Media, B.V. 2006

Authors and Affiliations

  • Jean-Pierre Eckmann
    • 1
    • 2
  • Carlos Mejía-Monasterio
    • 1
  • Emmanuel Zabey
    • 1
  1. 1.Département de Physique ThéoriqueUniversité de GeneveGeneveSwitzerland
  2. 2.Section de MathématiquesUniversité de GeneveGeneveSwitzerland

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