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Stable ground states for $\Delta$ $\Pi$ in double Josephson junction superconducting loops

Anand, A and Bhat, SV (2000) Stable ground states for $\Delta$ $\Pi$ in double Josephson junction superconducting loops. In: Physica C: Superconductivity, 341-34 (Part 3). pp. 1671-1672.

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Abstract

We er;amine the origin of Josephson junctions with phase difference pi through the dynamics of coupled Josephson junctions. We show that in a superconducting loop with an asymmetrical double junction, ground states with Delta phi = pi: can naturally occur. We show further that the ground state of the coupled system can possess energy minima that are deeper at n pi for n odd than n even depending upon the ratio of the critical currents in the two junctions and the McCumber parameter of the individual junctions.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 Nov 2009 06:31
Last Modified: 19 Sep 2010 05:01
URI: http://eprints.iisc.ernet.in/id/eprint/18284

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