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Title: A Thermokinetic approach to radiative heat transfer at the nanoscale
Author: Pérez Madrid, Agustín
Lapas, L. C.
Rubí Capaceti, José Miguel
Keywords: Termodinàmica del desequilibri
Teoria quàntica
Propietats tèrmiques
Absorció de calor
Transferència d'energia
Nonequilibrium thermodynamics
Quantum theory
Thermal properties
Heat absorption
Energy transfer
Issue Date: 18-Mar-2013
Publisher: Public Library of Science (PLoS)
Abstract: Radiative heat exchange at the nanoscale presents a challenge for several areas due to its scope and nature. Here, we provide a thermokinetic description of microscale radiative energy transfer including phonon-photon coupling manifested through a non-Debye relaxation behavior. We show that a lognormal-like distribution of modes of relaxation accounts for this non-Debye relaxation behavior leading to the thermal conductance. We also discuss the validity of the fluctuation-dissipation theorem. The general expression for the thermal conductance we obtain fits existing experimental results with remarkable accuracy. Accordingly, our approach offers an overall explanation of radiative energy transfer through micrometric gaps regardless of geometrical configurations and distances.
Note: Reproducció del document publicat a:
It is part of: PLoS One, 2013, vol. 8, num. 3, p. e58770
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ISSN: 1932-6203
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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