Volume 68, Number 6, December 2004
|Page(s)||790 - 796|
|Published online||26 November 2004|
Temperature profiles in Hamiltonian heat conduction
Département de Physique Théorique, Université de Genève - Geneva, Switzerland
2 Section de Mathématiques, Université de Genève - Geneva, Switzerland
3 Courant Institute for Mathematical Sciences, New York University - New York, USA
Accepted: 22 October 2004
We study heat transport in the context of Hamiltonian and related stochastic models with nearest-neighbor coupling, and derive a universal law for the temperature profiles of a large class of such models. This law contains a parameter α, and is linear only when . The value of α depends on energy-exchange mechanisms, including the range of motion of tracer particles and their times of flight.
PACS: 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 05.45.-a – Nonlinear dynamics and nonlinear dynamical systems
© EDP Sciences, 2004
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