Memory and nonlocal effects in heat transport: From diffusive to ballistic regimes

被引：154
|
作者：
Alvarez, F. X. [1 ]
Jou, D.
机构：
[1] Univ Autonoma Barcelona, Dept Fis, Bellaterra 08193, Catalonia, Spain
[2] Inst Estudis Catalans, Barcelona 08001, Catalonia, Spain
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 08期
关键词：
D O I：
10.1063/1.2645110
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors discuss a generalized transport model including memory and nonlocal effects, which aims to describe the transition of heat transport from the diffusive regime to the ballistic regime. By using an effective thermal conductivity depending on the Knudsen number, they describe in a single equation the behavior of conductivity in terms of the system size and a reduction in the limit flux through nanoscale devices. (c) 2007 American Institute of Physics.
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页数：3
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