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Cherenkov radiation in coupled long Josephson junctions

Goldobin, E.; Wallraff, A.; Thyssen, N.; Ustinov, A. V.

Abstract:
Evidence for Cherenkov radiation of a Josephson vortex is observed in the system of two magnetically coupled long Josephson junctions. This radiation leads to resonances which appear above the lowest characteristic velocity c_ of the linear electromagnetic waves. Resonances result from interaction of a Cherenkov wave with a moving Josephson vortex and, in annular junctions, occur when the vortex makes one turn around the junction. Experimental data are in good agreement with the proposed model and simulations which provide a clear physical picture of the observed effect.



Originalveröffentlichung
DOI: 10.1103/PhysRevB.57.130
Scopus
Zitationen: 61
Web of Science
Zitationen: 63
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 1998
Sprache Englisch
Identifikator ISSN: 0163-1829, 1095-3795, 0556-2805, 1094-1622, 1098-0121, 1550-235X, 2469-9950, 2469-9969
KITopen-ID: 1000075675
Erschienen in Physical review / B
Band 57
Heft 1
Seiten 130–133
Nachgewiesen in Scopus
Web of Science
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