Issue |
Europhys. Lett.
Volume 68, Number 6, December 2004
|
|
---|---|---|
Page(s) | 790 - 796 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i2004-10291-5 | |
Published online | 26 November 2004 |
Temperature profiles in Hamiltonian heat conduction
1
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
Received:
12
August
2004
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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