Magnetic properties of a melt-textured YBa2Cu3O x ring with a perpendicular crack

D. X. Chen, E. Pardo, A. Sanchez, E. Bartoloḿ, T. Puig, X. Obradors

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Abstract

The dc and ac magnetic properties of a melt-textured Y Ba2 Cu3 Ox ring with a perpendicular crack is studied. It is found that the crack behaves as a resistively shunted very long Josephson junction. However, besides the expected edge currents, certain inner currents have to occur in the junction. This anomaly may be a general feature of a very long junction with similar values of Josephson and London penetration depths, which is a case not yet studied theoretically. © 2007 American Institute of Physics.
Original languageEnglish
Article number072501
JournalApplied Physics Letters
Volume90
Issue number7
DOIs
Publication statusPublished - 26 Feb 2007

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