0-$\pi$ phase-controllable $thermal$ Josephson junction

15 Dec 2016 Fornieri Antonio Timossi Giuliano Virtanen Pauli Solinas Paolo Giazotto Francesco

Two superconductors coupled by a weak link support an equilibrium Josephson electrical current which depends on the phase difference $\varphi$ between the superconducting condensates [1]. Yet, when a temperature gradient is imposed across the junction, the Josephson effect manifests itself through a coherent component of the heat current that flows oppositely to the thermal gradient for $ \varphi <\pi/2$ [2-4]... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS