Chaos in pulse-driven Josephson junctions
Roman Sobolewski, Douglas R. Dykaar, Thomas Y. Hsiang, C. Vanneste, C.-C. Chi
DOI 10.1103/PhysRevB.37.3778 · Physical Review B
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Abstract
We report experimental and numerical studies of chaotic behavior in Josephson tunnel junctions driven by a train of picosecond electrical pulses. Dramatic changes were observed in both the experimental and simulated current-voltage characteristics, demonstrating that periodic wide-band excitations can temporarily alter the junction dynamics, leading to intermittent chaotic behavior. We relate the observed chaotic behavior to the junction switching processes in the regime of very short current pulses.
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| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Pb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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