Spin-polarized Andreev transport influenced by Coulomb repulsion through a two-quantum-dot system

Spin-polarized transport through a double quantum dot system attached to a common superconducting lead and two ferromagnetic electrodes (fork geometry) is investigated theoretically. The key objective of the analysis is to describe the influence of electrodes' ferromagnetism on the Andreev tunn...

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Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2014-06, Vol.89 (24), Article 245418
Main Authors: Trocha, Piotr, Barnaś, Józef
Format: Article
Language:English
Subjects:
Condensed matter
Coulomb friction
Electrodes
Ferromagnetism
Impact analysis
Qunatum dots
Superconductivity
Transport
Tunneling
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description Spin-polarized transport through a double quantum dot system attached to a common superconducting lead and two ferromagnetic electrodes (fork geometry) is investigated theoretically. The key objective of the analysis is to describe the influence of electrodes' ferromagnetism on the Andreev tunneling. Both direct and crossed Andreev tunneling processes are considered, in general. The other objective is a detailed analysis of the role of Coulomb interaction and its impact on the Andreev tunneling processes.
doi_str_mv 10.1103/PhysRevB.89.245418
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source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects Condensed matter
Coulomb friction
Electrodes
Ferromagnetism
Impact analysis
Qunatum dots
Superconductivity
Transport
Tunneling
title Spin-polarized Andreev transport influenced by Coulomb repulsion through a two-quantum-dot system
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