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Observation of a spatially-coherent resonance mode in stacked Josephson junctions

Ustinov, A.V.; Doderer, T.; Kohlstedt, H.; Lachenmann, S.G.; Quenter, D.

Abstract:
Underdamped flux-flow dynamics in double-barrier Josephson tunnel junctions is investigated by a spatially-resolving technique. Under the influence of a bias current, Josephson vortices can move simultaneously in both Josephson junctions resulting in the excitation of cavity waves in the junctions. The spatial structure of the cavity resonances is imaged by scanning the sample with a focused electron beam. We find clear indication that the vortices in the two stacked junctions move coherently.



Originalveröffentlichung
DOI: 10.1016/0375-9601(95)00283-9
Scopus
Zitationen: 4
Web of Science
Zitationen: 4
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 1995
Sprache Englisch
Identifikator ISSN: 0375-9601, 1873-2429
KITopen-ID: 1000076263
Erschienen in Physics letters / A
Band 201
Heft 4
Seiten 375–380
Nachgewiesen in Web of Science
Scopus
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