Some thermal transport properties of the FPU model with quadratic pinning

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Abstract

Thermal transport properties of the FPU β model with a quadratic pinning term are investigated for various couplings and temperatures. In particular, the size dependence of the thermal conductivity, κ α Lα, is studied. α agrees with that of the FPU β model (with no pinning) at high temperatures but decreases at low temperatures. This crossover behavior occurs at a temperature depending on the strength of the quadratic pinning.

Original languageEnglish
Pages (from-to)717-724
Number of pages8
JournalProgress of Theoretical Physics
Volume119
Issue number5
DOIs
Publication statusPublished - 2008 May

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transport properties
crossovers
thermal conductivity
temperature

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Some thermal transport properties of the FPU model with quadratic pinning. / Aoki, Kenichiro.

In: Progress of Theoretical Physics, Vol. 119, No. 5, 05.2008, p. 717-724.

Research output: Contribution to journalArticle

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