Bistability in superconducting rings containing an inhomogeneous Josephson junction

Gaass, M. and Nadj-Perge, S. and Radović, Z. and Bauer, A. and Aprili, M. and Wegscheider, W. and Strunk, C. (2008) Bistability in superconducting rings containing an inhomogeneous Josephson junction. Physical Review B, 77 (2). Art. No. 024506. ISSN 1098-0121. doi:10.1103/PhysRevB.77.024506. https://resolver.caltech.edu/CaltechAUTHORS:20160112-142643730

PDF - Published Version
See Usage Policy.
2MB

Use this Persistent URL to link to this item: https://resolver.caltech.edu/CaltechAUTHORS:20160112-142643730

Abstract

We investigate the magnetic response of a superconducting Nb ring containing a ferromagnetic PdNi Josephson junction and a tunnel junction in parallel. Doubling of the switching frequency is observed within certain intervals of the external magnetic field. For sinusoidal current-phase relations in both junctions, our model of a double superconducting quantum interference device (a small two-junction loop that interrupts the larger ring) explains this feature by a sequence of current reversals in the ferromagnetic section of the junction in these field intervals. The switching anomalies are induced by the coupling between the magnetic fluxes in the two superconducting loops.

Item Type:

Article

Related URLs:

URL	URL Type	Description
http://dx.doi.org/10.1103/PhysRevB.77.024506	DOI	Article
http://journals.aps.org/prb/abstract/10.1103/PhysRevB.77.024506	Publisher	Article
http://arxiv.org/abs/0707.1791	arXiv	Discussion Paper

ORCID:

Author	ORCID
Nadj-Perge, S.	0000-0002-2916-360X

Additional Information:

© 2008 The American Physical Society. Received 26 October 2007; published 11 January 2008. We thank M. Reinwald for help with the preparation of the GaAs/AlGaAs heterostructures. This work has been supported by the German Science Foundation within SFB 689, the Serbian Ministry of Science under Project No. 141014, the Franco-Serbian PAI EGIDE under Project No. 11049XG, and U.S. DOE under Project No. MA-509-MACA.

Funders:

Funding Agency	Grant Number
Deutsche Forschungsgemeinschaft (DFG)	SFB 689
Serbian Ministry of Science	141014
Franco-Serbian PAI EGIDE	11049XG
Department of Energy (DOE)	MA-509-MACA

Issue or Number:

Classification Code:

PACS: 85.25.Dq

DOI:

10.1103/PhysRevB.77.024506

Record Number:

CaltechAUTHORS:20160112-142643730

Persistent URL:

https://resolver.caltech.edu/CaltechAUTHORS:20160112-142643730

Official Citation:

Bistability in superconducting rings containing an inhomogeneous Josephson junction M. Gaass, S. Nadj-Perge, Z. Radović, A. Bauer, M. Aprili, W. Wegscheider, and C. Strunk Phys. Rev. B 77, 024506 (2008) – Published 11 January 2008

Usage Policy:

No commercial reproduction, distribution, display or performance rights in this work are provided.

ID Code:

63603

Collection:

CaltechAUTHORS

Deposited By:

Ruth Sustaita

Deposited On:

12 Jan 2016 22:57

Last Modified:

10 Nov 2021 23:18

Repository Staff Only: item control page