Bulk properties of anharmonic chains in strong thermal gradients:: non-equilibrium φ4 theory

被引：101

作者：

Aoki, K

Kusnezov, D ^{[1
]}

机构：

[1] Yale Univ, Ctr Theoret Phys, Sloane Phys Lab, New Haven, CT 06520 USA

[2] Keio Univ, Dept Phys, Kouhoku Ku, Yokohama, Kanagawa 2238521, Japan

来源：

PHYSICS LETTERS A | 2000年 / 265卷 / 04期

关键词：

non-equilibrium steady state; thermal conductivity; long-time tails; Green-Kubo; anharmonic chains; Fourier's law;

D O I：

10.1016/S0375-9601(99)00899-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：250 / 256

页数：7

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