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A.S. Landsberg, Y.Braiman, and K. Wiesenfeld. 1995. Disorder and Synchronization in a Josephson Junction Plaquette. Applied Physics Letters 67(13): 1935. Full Article

We describe the effects of disorder on the coherence properties of a 2 2 array of Josephson junctions (a ``plaquette''). The disorder is introduced through variations in the junction characteristics. We show that the array will remain one-to-one frequency locked despite large amounts of the disorder, and determine analytically the maximum disorder that can be tolerated before a transition to a desynchronized state occurs. Connections with larger N M arrays are also drawn.

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