# Near-field radiative energy transfer between sphere-sphere and sphere-flat surfaces

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- | Near-field thermal radiation between two spheres was first reported by Volokitin and Persson [1] by assuming them as dipoles. When there are two spherical nanoparticles whose dielectric constants are ''ε<sub>1</sub>'' and ''ε<sub> | + | Near-field thermal radiation between two spheres was first reported by Volokitin and Persson [1] by assuming them as dipoles. When there are two spherical nanoparticles whose dielectric constants are ''ε<sub>1</sub>'' and ''ε<sub>2</sub>'' , the spectral power dissipated in particle 2 by the electromagnetic field induced by particle 1 can be written using the dipolar approximation as |

## Revision as of 09:19, 1 March 2012

Near-field thermal radiation between two spheres was first reported by Volokitin and Persson [1] by assuming them as dipoles. When there are two spherical nanoparticles whose dielectric constants are *ε _{1}* and

*ε*, the spectral power dissipated in particle 2 by the electromagnetic field induced by particle 1 can be written using the dipolar approximation as

_{2}