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Experimental study of fluxon dynamics in a potential well

Ustinov, Alexey V.; Thyssen, Norbert


Dynamics of a single fluxon in an annular Josephson junction is studied in the presence of an externally applied magnetic field H. Due to the interaction of the fluxon with the radial field component, the fluxon moves in a potential well which height is proportional to H. Several spectacular features of fluxon dynamics analogous to the motion of a particle in a washboard potential are clearly observed experimentally. Periodic revolutions of the fluxon in the junction lead to a potential induced emission of plasma waves. These waves are indicated by a resonance at a certain fluxon velocity which depends on the junction length. Good agreement between experiment, theoretical model and numerical simulations is found.

DOI: 10.1007/BF02399614
Zitationen: 5
Web of Science
Zitationen: 5
Zitationen: 4
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 1997
Sprache Englisch
Identifikator ISSN: 0022-2291, 1573-7357
KITopen-ID: 1000075688
Erschienen in Journal of low temperature physics
Verlag Springer
Band 106
Heft 3-4
Seiten 193–200
Nachgewiesen in Dimensions
Web of Science
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