Berlin 2015 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 66: Superconductivity: Tunneling, Josephson Junctions, SQUIDs
TT 66.8: Talk
Wednesday, March 18, 2015, 16:45–17:00, H 2053
Signatures of singlet-triplet pairing in Josephson transport between a conventional and a noncentrosymmetric superconductor — Björn Sothmann1 and •Rakesh Tiwari2 — 1Département de Physique Théorique, Université de Genève , CH-1211 Genève 4, Switzerland — 2Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland
We investigate Josephson response of a junction consisting of a noncentrosymmetric superconductor tunnel coupled to a conventional s-wave superconductor via a double quantum dot. In the presence of an inhomogenous magnetic field acting on the two quantum dots forming the double quantum dot, the current phase relationship becomes highly asymmetric. The asymmetry in the critical current can be used to quantify the triplet-singlet pairing ratio in the noncentrosymmetric superconductor.