Quantum interference effects in multi-channel correlated tunneling structures

In multi-channel tunneling systems quantum interference effects modify tunneling conductance spectra due to Fano effect. We investigated the impact of Hubbard type Coulomb interaction on tunneling conductance spectra for the system formed by several interacting impurity atoms or quantum dots localis...

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Autores principales: Maslova, N. S., Mantsevich, V. N., Luchkin, V. N., Palyulin, V. V., Arseyev, P. I., Sokolov, I. M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8417284/
https://www.ncbi.nlm.nih.gov/pubmed/34480053
http://dx.doi.org/10.1038/s41598-021-97199-2
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author Maslova, N. S.
Mantsevich, V. N.
Luchkin, V. N.
Palyulin, V. V.
Arseyev, P. I.
Sokolov, I. M.
author_facet Maslova, N. S.
Mantsevich, V. N.
Luchkin, V. N.
Palyulin, V. V.
Arseyev, P. I.
Sokolov, I. M.
author_sort Maslova, N. S.
collection PubMed
description In multi-channel tunneling systems quantum interference effects modify tunneling conductance spectra due to Fano effect. We investigated the impact of Hubbard type Coulomb interaction on tunneling conductance spectra for the system formed by several interacting impurity atoms or quantum dots localised between the contact leads. It was shown that the Fano shape of tunneling conductance spectra strongly changes in the presence of on-site Coulomb interaction between localised electrons in the intermediate system. The main effect which determines the shape of the tunneling peaks could be not Fano interference but mostly nonequilibrium dependence of the occupation numbers on bias voltage.
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spelling pubmed-84172842021-09-07 Quantum interference effects in multi-channel correlated tunneling structures Maslova, N. S. Mantsevich, V. N. Luchkin, V. N. Palyulin, V. V. Arseyev, P. I. Sokolov, I. M. Sci Rep Article In multi-channel tunneling systems quantum interference effects modify tunneling conductance spectra due to Fano effect. We investigated the impact of Hubbard type Coulomb interaction on tunneling conductance spectra for the system formed by several interacting impurity atoms or quantum dots localised between the contact leads. It was shown that the Fano shape of tunneling conductance spectra strongly changes in the presence of on-site Coulomb interaction between localised electrons in the intermediate system. The main effect which determines the shape of the tunneling peaks could be not Fano interference but mostly nonequilibrium dependence of the occupation numbers on bias voltage. Nature Publishing Group UK 2021-09-03 /pmc/articles/PMC8417284/ /pubmed/34480053 http://dx.doi.org/10.1038/s41598-021-97199-2 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Maslova, N. S.
Mantsevich, V. N.
Luchkin, V. N.
Palyulin, V. V.
Arseyev, P. I.
Sokolov, I. M.
Quantum interference effects in multi-channel correlated tunneling structures
title Quantum interference effects in multi-channel correlated tunneling structures
title_full Quantum interference effects in multi-channel correlated tunneling structures
title_fullStr Quantum interference effects in multi-channel correlated tunneling structures
title_full_unstemmed Quantum interference effects in multi-channel correlated tunneling structures
title_short Quantum interference effects in multi-channel correlated tunneling structures
title_sort quantum interference effects in multi-channel correlated tunneling structures
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8417284/
https://www.ncbi.nlm.nih.gov/pubmed/34480053
http://dx.doi.org/10.1038/s41598-021-97199-2
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