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VOLUME 61 (1995) | ISSUE 3 | PAGE 204
Edge barrier and structure of the critical state in superconducting thin films
The structure of the critical state in a superconducting thin film with a high edge barrier and bulk pinning of vortices is analyzed. Analytic expressions describing the distributions of the current density and the vortex density in the system are derived. A critical state with a fundamentally new structure is observed in the system. In this state, magnetic flux is concentrated at the middle of the film, and Meissner currents are concentrated at the periphery. © 1995 American Institute of Physics.