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Doppler shift in Andreev reflection from a moving superconducting condensate in Nb/InAs Josephson junctions

Rohlfing, Franziska, Tkachov, Grygoriy, Otto, Florian, Richter, Klaus, Weiss, Dieter, Borghs, G. and Strunk, Christoph (2009) Doppler shift in Andreev reflection from a moving superconducting condensate in Nb/InAs Josephson junctions. Physical Review B (PRB) 80 (22), p. 220507.

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Date of publication of this fulltext: 05 Aug 2009 13:58

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.80.220507, http://xxx.uni-augsburg.de/abs/0903.0321


Abstract

We study narrow ballistic Josephson weak links in an InAs quantum well contacted by Nb electrodes. Measurements of the conductance, excess and critical currents reveal a dramatic magnetic-field suppression of the Andreev reflection amplitude, which occurs even for in-plane field orientation with essentially no magnetic flux through the junction. Our observations demonstrate the presence of an ...

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Item type:Article
Date:28 December 2009
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Projects:Graduiertenkolleg Nichtlinearität und Nichtgleichgewicht
Identification Number:
ValueType
10.1103/PhysRevB.80.220507DOI
0903.0321arXiv ID
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevB.80.220507Publisher
Classification:
NotationType
74.45.+cPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:7978
Owner only: item control page

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