期刊
PHYSICS LETTERS A
卷 265, 期 4, 页码 250-256出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0375-9601(99)00899-3
关键词
non-equilibrium steady state; thermal conductivity; long-time tails; Green-Kubo; anharmonic chains; Fourier's law
We study nonequilibrium properties of a one-dimensional lattice Hamiltonian with quartic interactions in strong thermal gradients. Nonequilibrium temperature profiles, T(x), are found to develop significant curvature and boundary jumps. From the determination of the bulk thermal conductivity, we develop a quantitative description of T(x) including the jumps. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
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