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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2018, Volume 107, Issue 8, Pages 512–518
DOI: https://doi.org/10.7868/S0370274X1808009X (Mi jetpl5553) 		 
This article is cited in 12 scientific papers (total in 12 papers)

CONDENSED MATTER

Influence of Coulomb correlations on nonequilibrium quantum transport in a quadruple quantum-dot structure

M. Yu. Kaganab, S. V. Aksenovc

a Kapitza Institute for Physical Problems, Russian Academy of Sciences, Moscow, Russia
b National Research University Higher School of Economics, Moscow, Russia
c Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russia
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DOI: https://doi.org/10.7868/S0370274X1808009X
Abstract: The description of quantum transport in a quadruple quantum-dot structure (QQD) is proposed taking into account the Coulomb correlations and nonzero bias voltages. To achieve this goal the combination of nonequilibrium Green’s functions and equation-of-motion technique is used. It is shown that the anisotropy of kinetic processes in the QQD leads to negative differential conductance (NDC). The reason for the effect is an interplay of the Fano resonances, which are induced by the interdot Coulomb correlations. Different ways to increase the peak-to-valley ratio related to the observed NDC are discussed.
Funding agency Grant number
Russian Foundation for Basic Research 16-02-00073_а
17-42-240441_р_а
17-02-00135_а
Ministry of Education and Science of the Russian Federation МК-3722.2018.2
National Research University Higher School of Economics 18-05-0024
Received: 16.03.2018
English version:
Journal of Experimental and Theoretical Physics Letters, 2018, Volume 107, Issue 8, Pages 493–499
DOI: https://doi.org/10.1134/S0021364018080027
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. Yu. Kagan, S. V. Aksenov, “Influence of Coulomb correlations on nonequilibrium quantum transport in a quadruple quantum-dot structure”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:8 (2018), 512–518; JETP Letters, 107:8 (2018), 493–499
Citation in format AMSBIB
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    • This publication is cited in the following 12 articles:
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