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arXiv · 1905.09262

Phase-coherent caloritronics with ordinary and topological Josephson junctions

Sun-Yong Hwang·Björn Sothmann
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Abstract

We provide a brief and comprehensive overview over recent developments in the field of phase-coherent caloritronics in ordinary and topological Josephson junctions. We start from the simple case of a short, one-dimensional superconductor-normal metal-superconductor (S-N-S) Josephson junction and derive the phase-dependent thermal conductance within the Bogoliubov-de Gennes formalism. Then, we review the key experimental breakthroughs that have triggered the recent growing interest into phase-coherent heat transport. They include the realization of thermal interferometers, diffractors, modulators and routers based on superconducting tunnel junctions. Finally, we discuss very recent theoretical findings based on superconductor-topological insulator-superconductor (S-TI-S) Josephson junctions that show interesting heat transport properties due to the interplay between topological band structures and superconductivity.

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Sun-Yong Hwang, Björn Sothmann. 2019-05-22. Phase-coherent caloritronics with ordinary and topological Josephson junctions. https://doi.org/10.1140/epjst%2Fe2019-900094-y

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