Nonlocal transport and heating in superconductors under dual-bias conditions

S. Kolenda, M. J. Wolf, D. S. Golubev, A. D. Zaikin, and D. Beckmann
Phys. Rev. B 88, 174509 – Published 13 November 2013

Abstract

We report on an experimental and theoretical study of nonlocal transport in superconductor hybrid structures, where two normal-metal leads are attached to a central superconducting wire. As a function of voltage bias applied to both normal-metal electrodes, we find surprisingly large nonlocal conductance signals, almost of the same magnitude as the local conductance. We demonstrate that these signals are the result of strong heating of the superconducting wire and that under symmetric bias conditions, heating mimics the effect of Cooper pair splitting.

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Received 27 August 2013

DOI:https://doi.org/10.1103/PhysRevB.88.174509

©2013 American Physical Society

Authors & Affiliations

S. Kolenda1, M. J. Wolf1, D. S. Golubev1,2, A. D. Zaikin1,3,4, and D. Beckmann1

  • 1Institut für Nanotechnologie, Karlsruher Institut für Technologie, Karlsruhe, Germany
  • 2Low Temperature Laboratory (OVLL), Aalto University School of Science, P. O. Box 13500, 00076 Aalto, Finland
  • 3I. E. Tamm Department of Theoretical Physics, P. N. Lebedev Physics Institute, 119991 Moscow, Russia
  • 4Laboratory of Cryogenic Nanoelectronics, Nizhny Novgorod State Technical University, 603950 Nizhny Novgorod, Russia

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 88, Iss. 17 — 1 November 2013

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review B

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×