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Article

Nonadiabaticity in Quantum Pumping Phenomena under Relaxation

by 1,*,† and 1,2,*,†
1
Faculty of Engineering, University of Yamanashi, 4-3-11 Takeda, Kofu 400-8511, Japan
2
National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Entropy 2019, 21(9), 842; https://doi.org/10.3390/e21090842
Received: 8 July 2019 / Revised: 23 August 2019 / Accepted: 23 August 2019 / Published: 28 August 2019
(This article belongs to the Special Issue Quantum Transport in Mesoscopic Systems)
The ability to control quanta shown by quantum pumping has been intensively studied, aiming to further develop nano fabrication. In accordance with the fast progress of the experimental techniques, the focus on quantum pumping extends to include the quicker transport. For this purpose, it is necessary to remove the “adiabatic” or “slow” condition, which has been the central concept of quantum pumping since its first proposal for a closed system. In this article, we review the studies which go beyond the conventional adiabatic approximation for open quantum systems to transfer energy quanta and electron spins with using the full counting statistics. We also discuss the recent developments of the nonadiabatic treatments of quantum pumping. View Full-Text
Keywords: nonadiabaticity; quantum heat pumping; spin pumping; relaxation nonadiabaticity; quantum heat pumping; spin pumping; relaxation
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MDPI and ACS Style

Hashimoto, K.; Uchiyama, C. Nonadiabaticity in Quantum Pumping Phenomena under Relaxation. Entropy 2019, 21, 842. https://doi.org/10.3390/e21090842

AMA Style

Hashimoto K, Uchiyama C. Nonadiabaticity in Quantum Pumping Phenomena under Relaxation. Entropy. 2019; 21(9):842. https://doi.org/10.3390/e21090842

Chicago/Turabian Style

Hashimoto, Kazunari, and Chikako Uchiyama. 2019. "Nonadiabaticity in Quantum Pumping Phenomena under Relaxation" Entropy 21, no. 9: 842. https://doi.org/10.3390/e21090842

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