3 years ago

Fast thermometry with a proximity Josephson junction.

Olli-Pentti Saira, Jukka Pekola, Libin Wang

We couple a proximity Josephson junction to a Joule-heated normal metal film and measure its electron temperature under steady state and nonequilibrium conditions. With a timed sequence of heating and temperature probing pulses, we are able to monitor its electron temperature in nonequilibrium with effectively zero back-action from the temperature measurement in the form of additional dissipation or thermal conductance. The experiments demonstrate the possibility of using a fast proximity Josephson junction thermometer for studying thermal transport in mesoscopic systems and for calorimetry.

Publisher URL: http://arxiv.org/abs/1710.10082

DOI: arXiv:1710.10082v1

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