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Probing the pinning landscape in type-II superconductors via Campbell penetration depth
R. Willa, V. B. Geshkenbein, G. Blatter
Type-II superconductors owe their magnetic and transport properties to vortex pinning, the immobilization of flux quanta through material inhomogeneities or defects. Characterizing…
Campbell response in type II superconductors under strong pinning conditions
R. Willa, V. B. Geshkenbein, R. Prozorov +1
Measuring the magnetic response of a type II superconductor provides valuable information on the pinning landscape (pinscape) of the material. We use strong pinning theory to…
Campbell penetration in the critical state of type-II superconductors
R. Willa, V. B. Geshkenbein, G. Blatter
The penetration of an magnetic signal into a type II superconductor residing in the Shubnikov phase depends on the pinning properties of Abrikosov vortices. Within a phenomeno…
Competing structures in 2D-trapped dipolar gases
Barbara Gränz, Sergey E. Korshunov, Vadim B. Geshkenbein +1
We study a system of dipolar molecules confined in a two-dimensional trap and subject to an optical square lattice. The repulsive long-range dipolar interaction favors an e…