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Heat conduction in the diatomic Toda lattice revisited

Takahiro Hatano
Phys. Rev. E 59, R1(R) – Published 1 January 1999
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Abstract

The problem of the diverging thermal conductivity in one-dimensional (1D) lattices is considered. By numerical simulations, it is confirmed that the thermal conductivity of the diatomic Toda lattice diverges, which is the opposite of the current popular belief. Also, the diverging exponent is found to be almost the same as the FPU chain. It is reconfirmed that the diverging thermal conductivity is universal in 1D systems, where the total momentum preserves.

  • Received 1 October 1998

DOI:https://doi.org/10.1103/PhysRevE.59.R1

©1999 American Physical Society

Authors & Affiliations

Takahiro Hatano

  • Department of Pure and Applied Sciences, University of Tokyo, Komaba, Tokyo 153-0041, Japan

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Vol. 59, Iss. 1 — January 1999

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