Revisiting super-Planckian thermal emission in the far-field regime

We revisit, in the framework of the Landauer theory, the thermal emission in far-field regime, of arbitrary indefinite planar media and finite size systems. We prove that the flux radiated by the former is bounded by the blackbody emission while, for the second, there is in principle, no upper limit...

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Bibliographic Details
Published in:Physical review. B 2016-04, Vol.93 (16), Article 165405
Main Authors: Biehs, S.-A., Ben-Abdallah, P.
Format: Article
Language:English
Subjects:
Blackbody
Condensed matter
Emissions control
Flux
Mathematical analysis
Media
Thermal emission
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Summary:We revisit, in the framework of the Landauer theory, the thermal emission in far-field regime, of arbitrary indefinite planar media and finite size systems. We prove that the flux radiated by the former is bounded by the blackbody emission while, for the second, there is in principle, no upper limit demonstrating such possibility for a super-Planckian thermal emission with finite size systems.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.93.165405