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Effects of geometric phases in Josephson junction arrays

Zhu, X.M. and Tan, Yong and Ao, P. (1996) Effects of geometric phases in Josephson junction arrays. Physical Review Letters, 77 (3). pp. 562-565. ISSN 0031-9007

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Abstract

We show that the en route vortex velocity dependent part of the Magnus force in a Josephson junction array is effectively zero, and predict zero Hall effect in the classical limit. However, geometric phases due to the finite superfluid density at superconductor grains have a profound influence on the quantum dynamics of vortices. Subsequently we find rich and complex Hall behaviors analogous to the Thouless-Kohmoto-Nightingale-den Nijs effect in the quantum regime.

Item type: Article
ID code: 6165
Keywords: physics, Josephson junction array, Hall effect, superconductors, quantum, geometric phases, Optics. Light, Physics and Astronomy(all)
Subjects: Science > Physics > Optics. Light
Department: Unknown Department
Depositing user: Miss Darcy Spiller
Date Deposited: 21 May 2008
Last modified: 23 Jul 2015 14:16
Related URLs:
URI: http://strathprints.strath.ac.uk/id/eprint/6165

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