Heat transfer between two nanoparticles through near field interaction

被引：207

作者：

Domingues, G ^{[1
]}

Volz, S

Joulain, K

Greffet, JJ

机构：

[1] Lab Etud Therm, F-86961 Futuroscope, France

[2] Lab Energet Macroscop, F-92295 Chatenay Malabry, France

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.94.085901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We introduce a thermal conductance by using the fluctuation-dissipation theorem to analyze the heat transfer between two nanoparticles separated by a submicron distance. Using either a molecular dynamics technique or a model based on the Coulomb interaction between fluctuating dipoles, we derive the thermal conductance. Both models agree for distances larger than a few diameters. For separation distances smaller than the particle diameter, we find a transition regime characterized by a thermal conductance larger than the contact conductance.

引用

页数：4

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