Topological near-field heat flow in a honeycomb lattice

preprint2022arXivOpen access

Abstract

We study the near-field thermal radiation of topologically protected edge modes in a honeycomb lattice of plasmonic InSb nanoparticles. We show that the heat transport by near-field interaction is in the topological non-trivial phase dominated by the heat flux channel provided by the edge modes rather than the bulk modes. This heat flux channel allows for an enhanced heat transport along the edges of the honeycomb lattice. In particular for materials with relatively small dissipation we find a 30 to 50 times larger heat flux along the lattice edges than in the bulk.

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