Towards a black body for near-field thermal radiation
classification
❄️ cond-mat.mes-hall
quant-ph
keywords
near-fieldheathyperboliclimitmaterialsthermalableanalog
read the original abstract
We study the near-field heat exchange between hyperbolic materials and demonstrate that these media are able to support broadband frustrated modes which transport heat by photon tunnelling with a high efficiency close to the theoretical limit. We predict that hyperbolic materials can be designed to be perfect thermal emitters at nanoscale and derive the near-field analog of the blackbody limit.
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