Title: Sample-specific conductance fluctuations modulated by the superconducting phase
Authors: den Hartog, SG
Kapteyn, CMA
van Wees, BJ
Klapwijk, TM
Borghs, Gustaaf #
Issue Date: Jun-1998
Publisher: Elsevier science bv
Series Title: Physica B vol:251 pages:485-489
Abstract: We present an overview of sample-specific transport properties tuned by the superconducting phase difference between two superconductors connected to a disordered 2-dimensional electron gas (2DEG). We demonstrate a crossover from ensemble-averaged to sample-specific resistance oscillations of a T-shaped 2DEG interferometer by increasing the magnetic field. Multi-terminal resistances of a cross-shaped 2DEG interferometer are analyzed in terms of an extended Landauer-Buttiker transport formalism. We show that the extended reciprocity relations hold and that three-terminal resistances become negative. (C) 1998 Elsevier Science B.V. All rights reserved.
ISSN: 0921-4526
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
# (joint) last author

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