Experimental observation of spatiotemporal wave forms of all possible types of soliton-antisoliton interactions in Josephson transmission lines
K. Nakajima, H. Mizusawa, Y. Sawada, H. Akoh, S. Takada
DOI 10.1103/PhysRevLett.65.1667 · Physical Review Letters
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Abstract
We report the first observation of soliton-antisoliton (fluxon-antifluxon) collision processes of all types (annihilation, passing through, and pair creation) in a discrete Josephson transmission line of niobium. These collision processes were directly measured not only in time, but also in space by a Josephson sampling system with precise control of the collision point. Negative phase shifts, contrary to the analytic solution for the sine-Gordon equation, were observed and attributed to the dissipation.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb 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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