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一维FPU模型的热传导(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年02期
Page:
105-108
Column:
研究论文
publishdate:
2007-02-20

Article Info:/Info

Title:
Heat Conduction in FPU Chains
Article ID:
1000-2006(2007)02-0105-04
Author(s):
WEI Na
Department of Applied Physics Nanjing University of Technology, Nanjing 210009, China
Keywords:
Thermal conductivity Low dimensional FPU model
Classification number :
Q551. 3
DOI:
10.3969/j.jssn.1000-2006.2007.02.024
Document Code:
A
Abstract:
Heat conduction in a low dimensional system is anomalous and dose not obey Fourier law. The thermal conductivity of the FPU chains was numerically calculated by the molecular dynamics method. It was found that the temperature gradient on the chain could be set up at higher temperatures and its thermal conductivity κ: scales with a power of the system size. On the other hand, the temperature gradient on the chain could not be set up at lower temperatures.

References

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Last Update: 2013-05-20