Analog simulation of coupled superconducting weak links: Locking and chaos
Wu Binruo, Yang Zhou-jing, James A. Blackburn, S. Vik, H. J. T. Smith, M. A. H. Nerenberg
DOI 10.1103/PhysRevB.37.3349 · Physical Review B
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Abstract
An improved analog simulator has been developed for the study of resistively coupled pairs of superconducting weak links. Sets of I-V characteristics, obtained with the aid of this circuit under dc bias conditions, indicate the dependence of certain features, including the voltage locking zone, on system parameters. Chaos has been observed when ac bias is also present and, for the first time, a state diagram for the system has been determined.
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