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Published on: May 9, 2014
Macroscopic violation of the law of heat conduction
Michael M Cândido1, Welles A M Morgado1, Sílvio M Duarte Queirós2
1Department of Physics, PUC-Rio, Rua Marquês de São Vicente 225, 22453-900 Rio de Janeiro-RJ, Brazil.
Abstract:
We analyze a model describing an anharmonic macroscopic chain in contact with general reservoirs that follow the Lévy-Itô theorem on the Gaussian-Poissonian decomposition of the measure. We do so by considering a perturbative approach to compute the heat flux and the (canonical) temperature profile when the system reaches the steady state. This approach allows observing a macroscopic violation of the law of the heat conduction equivalent to that found for small (N=2) systems in contact with general reservoirs, which conveys the ascendency of the nature of the reservoirs over the size of the system.
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