Abnormal threshold properties of fluxon propagation in a resistively coupled Josephson transmission line
Junsaku Nitta, Azusa Matsuda
DOI 10.1103/PhysRevB.35.4764 · Physical Review B
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Abstract
Fluxon-propagation threshold properties in a resistively coupled Josephson transmission line are experimentally investigated by use of a direct measurement system for a single fluxon observation. A nontransmission bias-current region is observed between the high- and low-bias-current transmission regions. These unexpected threshold properties can be interpreted in terms of an interaction among damping oscillations. Experimentally obtained properties approximately agree with numerical simulations.
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