Onset of global phase coherence in Josephson-junction arrays: a dissipative phase transition

  • A theoretical analysis is presented of the problem of the onset of global phase coherence in granular superconductors and Josephson-junction arrays. It is shown that the ratio (he2)R, where R is the resistance, plays an important role in the thermodynamics. This is due to quantum fluctuations of the order parameter and occurs in superconductivity only because the phase of the order parameter is both a statistical as well as a dynamical variable. The theory provides a natural qualitative explanation of the recent experiments of Orr, Jaeger, Goldman, and Kuper.

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Author:Sudip Chakravarty, Gert-Ludwig IngoldORCiDGND, Steven Kivelson, Alan Luther
Frontdoor URLhttps://opus.bibliothek.uni-augsburg.de/opus4/40644
Parent Title (English):Physical Review Letters
Publisher:American Physical Society (APS)
Year of first Publication:1986
Publishing Institution:Universität Augsburg
Release Date:2018/09/11
First Page:2303
Last Page:2306
Institutes:Mathematisch-Naturwissenschaftlich-Technische Fakultät
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Theoretische Physik I
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):Deutsches Urheberrecht