Cherenkov radiation in coupled long Josephson junctions
Journal Article
·
· Physical Review, B: Condensed Matter
- Institute of Thin Film and Ion Technology, Forschungszentrum Juelich GmbH (KFA), D-52425 Juelich (Germany)
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 {bar c}{sub {minus}} 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. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 565873
- Journal Information:
- Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 1 Vol. 57; ISSN PRBMDO; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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