Can Disorder Induce a Finite Thermal Conductivity in 1D Lattices?

Baowen Li, Hong Zhao, and Bambi Hu
Phys. Rev. Lett. 86, 63 – Published 1 January 2001
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Abstract

We study heat conduction in one-dimensional mass-disordered harmonic and anharmonic lattices. It is found that the thermal conductivity κ of the disordered anharmonic lattice is finite at low temperature, whereas it diverges as κN0.43 at high temperature. Moreover, we demonstrate that a unique nonequilibrium stationary state in the disordered harmonic lattice does not exist at all.

  • Received 2 November 1999

DOI:https://doi.org/10.1103/PhysRevLett.86.63

©2001 American Physical Society

Authors & Affiliations

Baowen Li1,2,*, Hong Zhao2,3, and Bambi Hu2,4

  • 1Department of Physics, National University of Singapore, 119260 Singapore
  • 2Department of Physics and Center for Nonlinear Studies, Hong Kong Baptist University, Hong Kong, China
  • 3Department of Physics, Lanzhou University, 730000 Lanzhou, China
  • 4Department of Physics, University of Houston, Houston, Texas 77204-506

  • *Author to whom correspondence should be addressed.Email address: phylibw@nus.edu.sg

Comments & Replies

Comment on “Can Disorder Induce a Finite Thermal Conductivity in 1D Lattices?”

Abhishek Dhar
Phys. Rev. Lett. 87, 069401 (2001)

Li, Zhao, and Hu Reply:

B. Li, H. Zhao, and B. Hu
Phys. Rev. Lett. 87, 069402 (2001)

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Vol. 86, Iss. 1 — 1 January 2001

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