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Title: Josephson-junction array in an irrational magnetic field: A superconducting glass

Journal Article · · Phys. Rev. Lett.; (United States)

A model is used to show that a Josephson junction array in an irrational magnetic field undergoes a glass transition for finite cooling rate. At zero temperature the resultant glassy state possesses a nonzero critical current. The low-temperature behavior of the system can be modeled by a spin-wave theory. The relevance of these results for real experiments on arrays is discussed.

Research Organization:
The James Franck Institute, The University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637
OSTI ID:
5295972
Journal Information:
Phys. Rev. Lett.; (United States), Vol. 55:9
Country of Publication:
United States
Language:
English