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

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)1667-1670
Number of pages4
JournalPhysical Review Letters
Volume65
Issue number13
DOIs
Publication statusPublished - 1990 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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