Radiative heat transfer between metallic nanoparticles

Details Radiative heat transfer between metallic nanoparticles Radiative heat transfer between metallic nanoparticles

2008-03-06

arxiv.org/abs/0803.0902v1

Applied Physics Letters 92, 20 (2008) 201906

Physics

Optics

Scientific paper

10.1063/1.2931062

In this letter, we study the radiative heat transfer between two nanoparticles in the near field and in the far field. We find that the heat transfer is dominated by the electric dipole-dipole interaction for dielectric particles and by the magnetic dipole-dipole interaction for metallic nanoparticles. We introduce polarizabilities formulas valid for arbitrary values of the skin depth. While the heat transfer mechanism is different for metallic and dielectric nanoparticles, we show that the distance dependence is the same. However, the dependence of the heat flux on the particle radius is different.

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