Minimal Self-Contained Quantum Refrigeration Machine Based on Four Quantum Dots

Davide Venturelli, Rosario Fazio, and Vittorio Giovannetti
Phys. Rev. Lett. 110, 256801 – Published 17 June 2013
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Abstract

We present a theoretical study of an electronic quantum refrigerator based on four quantum dots arranged in a square configuration, in contact with as many thermal reservoirs. We show that the system implements the minimal mechanism for acting as a self-contained quantum refrigerator, by demonstrating heat extraction from the coldest reservoir and the cooling of the nearby quantum dot.

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  • Received 15 October 2012

DOI:https://doi.org/10.1103/PhysRevLett.110.256801

© 2013 American Physical Society

Authors & Affiliations

Davide Venturelli1,2, Rosario Fazio1, and Vittorio Giovannetti1

  • 1NEST, Scuola Normale Superiore and Istituto Nanoscienze-CNR, Piazza dei Cavalieri 7, I-56127 Pisa, Italy
  • 2Quantum Artificial Intelligence Laboratory, NASA Ames Research Center, Moffett Field, California 94035-1000, USA

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Issue

Vol. 110, Iss. 25 — 21 June 2013

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