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arXiv · 2403.10333

Tomography of near-field radiative heat exchange between mesoscopic bodies immersed in a thermal bath

Florian Herz·Riccardo Messina·Philippe Ben-Abdallah
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Abstract

A tomographic study of near-field radiative heat exchanges between a mesoscopic object and a substrate immersed in a thermal bath is carried out within the theoretical framework of fluctuational electrodynamics. By using the discrete-dipole-approximation method, we compute the power density distribution for radiative exchanges and highlight the major role played by many-body interactions in these transfers. Additionally, we emphasize the close relationship between power distribution and eigenmodes within the solid paving the way to applications for hot-spot targeting at deep sub-wavelength scale by shape optimization.

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Florian Herz, Riccardo Messina, Philippe Ben-Abdallah. 2024-03-15. Tomography of near-field radiative heat exchange between mesoscopic bodies immersed in a thermal bath. https://doi.org/10.1103/physrevb.110.125410

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