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arXiv · 1904.13243

Reversible thermal diode and energy harvester with a superconducting quantum interference single-electron transistor

Donald Goury·Rafael Sánchez
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Abstract

The density of states of proximitized normal nanowires interrupting superconducting rings can be tuned by the magnetic flux piercing the loop. Using these as the contacts of a single-electron transistor allows to control the energetic mirror asymmetry of the conductor, this way introducing rectification properties. In particular, we show that the system works as a diode that rectifies both charge and heat currents and whose polarity can be reversed by the magnetic field and a gate voltage. We emphasize the role of dissipation at the island. The coupling to substrate phonons enhances the effect and furthermore introduces a channel for phase tunable conversion of heat exchanged with the environment into electrical current.

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Donald Goury, Rafael Sánchez. 2019-04-30. Reversible thermal diode and energy harvester with a superconducting quantum interference single-electron transistor. https://doi.org/10.1063/1.5109100

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