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Josephson response of a conventional and a noncentrosymmetric superconductor coupled via a double quantum dot

Sothmann, Bjoern and Tiwari, Rakesh P.. (2015) Josephson response of a conventional and a noncentrosymmetric superconductor coupled via a double quantum dot. Physical Review B, 92 (1). 014504.

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Official URL: http://edoc.unibas.ch/40040/

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Abstract

We consider transport through a Josephson junction consisting of a conventional s-wave superconductor coupled via a double quantum dot to a noncentrosymmetric superconductor with both singlet and triplet pairing. We calculate the Andreev bound state energies and the associated Josephson current. We demonstrate that the current-phase relation is a sensitive probe of the singlet-triplet ratio in the noncentrosymmetric superconductor. In particular, in the presence of an inhomogeneous magnetic field the system exhibits a.-junction behavior.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Tiwari, Rakesh
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
ISSN:2469-9950
e-ISSN:2469-9969
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:10 May 2017 10:44
Deposited On:02 May 2016 11:36

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