Document Type

Journal Article

Role

Author

Standard Number

1098-0121

Journal Title

Physical Review B

Volume

61

Issue

5

First Page

3641

Last Page

3648

Publication Date

2000

Abstract

Analytical results are presented which characterize the behavior of a dc-biased, two-dimensional circular array of overdamped Josephson junctions subject to increasing levels of disorder. It is shown that high levels of disorder can abruptly destroy the synchronous functioning of the array. We identify the transition boundary between synchronized and desynchronized behavior, along with the mechanism responsible for the loss of frequency locking. Comparisons with recent results for arrays with rectangular lattice geometries are described.

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