Effect of vortex-core size on the flux lattice in a mesoscopic superconducting strip

Kokanovic, I. and Helzel, A. and Babic, D. and Suergers, C. and Strunk, C. (2008) Effect of vortex-core size on the flux lattice in a mesoscopic superconducting strip. PHYSICAL REVIEW B, 77 (17): 172504. ISSN 2469-9950, 2469-9969

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Abstract

We present an experimental study of the vortex-motion dissipation in a mesoscopic amorphous (a-)Nb0.7Ge0.3 strip, with emphasis on the results for 3-8 vortex rows parallel to the long strip axis. In the isothermal voltage vs magnetic field traces, at a constant current, we observe plateaus superimposed onto a monotonic background. The plateaus appear because finite vortex-core size influences the accommodation of the flux lattice into the strip. This conclusion is drawn from a quantitative analysis, which is free of adjustable parameters, of the magnetic fields that edge the plateaus.

Item Type: Article
Uncontrolled Keywords: ;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk
Depositing User: Dr. Gernot Deinzer
Date Deposited: 04 Nov 2020 05:54
Last Modified: 04 Nov 2020 05:54
URI: https://pred.uni-regensburg.de/id/eprint/30985

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