Can disorder induce a finite thermal conductivity in 1D lattices?

被引：97

作者：

Li, BW

Zhao, H

Hu, BB

机构：

[1] Natl Univ Singapore, Dept Phys, Singapore 119260, Singapore

[2] Hong Kong Baptist Univ, Dept Phys, Hong Kong, Hong Kong, Peoples R China

[3] Hong Kong Baptist Univ, Ctr Nonlinear Studies, Hong Kong, Hong Kong, Peoples R China

[4] Lanzhou Univ, Dept Phys, Lanzhou 730000, Peoples R China

[5] Univ Houston, Dept Phys, Houston, TX 77204 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.86.63

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study heat conduction in one-dimensional mass-disordered harmonic and anharmonic lattices. It is found that the thermal conductivity kappa of the disordered anharmonic lattice is finite at low temperature, whereas it diverges as kappa similar to N-0.43 at high temperature. Moreover, we demonstrate that a unique nonequilibrium stationary state in the disordered harmonic lattice does not exist at all.

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页码：63 / 66

页数：4

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