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Updated: Jul 18, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
Published on: March 30, 2017
Cooling electrons by magnetic-field tuning of Andreev reflection
Francesco Giazotto1, Fabio Taddei, Michele Governale
1NEST CNR-INFM and Scuola Normale Superiore, I-56126 Pisa, Italy. giazotto@sns.it
Abstract:
A solid-state cooling principle based on magnetic-field-driven tunable suppression of Andreev reflection in superconductor/two-dimensional electron gas nanostructures is proposed. This cooling mechanism can lead to very large heat fluxes per channel up to 10;{4} times greater than currently achieved with superconducting tunnel junctions. This efficacy and its availability in a two-dimensional electron system make this method of particular relevance for the implementation of quantum nanostructures operating at cryogenic temperatures.
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