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Magnetic field penetration in a long Josephson junction imbedded in a wide stripline

Franz, Andreas; Wallraff, Andreas; Ustinov, Alexey V.

The dependence of the first critical field of long linear and annular Josephson junctions on the width of the surrounding stripline, the so called idle region, is investigated experimentally. The stripline modifies the effective Josephson length λeff in the junction. The experimental data are compared with the theory by Caputo et al. [J. Appl. Phys. 85, 7291 (1999)] and good agreement is found. The dependence of the first critical field on the width of the surrounding stripline can be well explained using the same λeff for both annular and linear junctions.

Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2001
Sprache Englisch
Identifikator ISSN: 0021-8979, 1089-7550, 0148-6349
KITopen ID: 1000074363
Erschienen in Journal of applied physics
Band 89
Heft 1
Seiten 471-476
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