Hyperbolic waveguide for long-distance transport of near-field heat flux

Heat flux exchanged between two hot bodies at subwavelength separation distances can exceed the limit predicted by the blackbody theory. However, this super-Planckian transfer is restricted to these separation distances. Here we demonstrate the possible existence of a super-Planckian transfer at arb...

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Bibliographic Details
Published in:Physical review. B 2016-09, Vol.94 (10), Article 104301
Main Authors: Messina, Riccardo, Ben-Abdallah, Philippe, Guizal, Brahim, Antezza, Mauro, Biehs, Svend-Age
Format: Article
Language:English
Subjects:
Condensed Matter
Heat exchange
Heat flux
Heat transfer
Materials Science
Near fields
Optics
Physics
Quantum Physics
Separation
Transport
Waveguides
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Summary:Heat flux exchanged between two hot bodies at subwavelength separation distances can exceed the limit predicted by the blackbody theory. However, this super-Planckian transfer is restricted to these separation distances. Here we demonstrate the possible existence of a super-Planckian transfer at arbitrary large separation distances if the interacting bodies are connected in the near field with weakly dissipating hyperbolic waveguides. This result opens the way to long-distance transport of near-field thermal energy.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.94.104301