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physics.optics2025★ 3 cited
Many-Body Floquet Theory for Radiative Heat Transfer in Time-Modulated Systems
Riccardo Messina, Philippe Ben-Abdallah
We develop a general theory of radiative heat exchange between dipoles with time-modulated optical properties. This framework extends fluctuational electrodynamics beyond equilibri…
physics.optics2025
Broadband directional thermal emission with anisothermal microsources
Florian Herz, Riccardo Messina, Philippe Ben-Abdallah
Thermal emission is naturally spatially incoherent and lacks directionality. Here, we demonstrate that by precisely controlling the spatial temperature distribution within a solid,…