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arXiv · 0812.3634

Thermal rectification in nonlinear quantum circuits

Tomi Ruokola·Teemu Ojanen·Antti-Pekka Jauho
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Abstract

We present a theoretical study of radiative heat transport in nonlinear solid-state quantum circuits. We give a detailed account of heat rectification effects, i.e. the asymmetry of heat current with respect to a reversal of the thermal gradient, in a system consisting of two reservoirs at finite temperatures coupled through a nonlinear resonator. We suggest an experimentally feasible superconducting circuit employing the Josephson nonlinearity to realize a controllable low temperature heat rectifier with a maximal asymmetry of the order of 10%. We also discover a parameter regime where the rectification changes sign as a function of temperature.

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Tomi Ruokola, Teemu Ojanen, Antti-Pekka Jauho. 2009-04-03. Thermal rectification in nonlinear quantum circuits. https://doi.org/10.1103/physrevb.79.144306

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