Distributed injection of transient vortex states in a prism-shaped Bi2Sr2CaCu2O8+δ crystal

B. Kalisky, A. Shaulov, Y. Myasoedov, E. Zeldov, T. Tamegai, Y. Yeshurun

Research output: Contribution to journalArticlepeer-review


Magneto-optical measurements in Bi2Sr2CaCu2O8+δ demonstrate enhanced effects of transient disordered vortex states (TDVS) in a prism-shaped sample. The existence of such transient states is indicated by the appearance of a sharp change ('break') in the slope of the induction profiles. As the external magnetic field is swept up or down, the break, which signifies the front of the TDVS, moves towards the sample center at a constant velocity determined by the rate of change of the external field. We discuss the results in terms of a competition between injection and annealing processes, the latter being ineffective in the prism due to direct injection of disorder into the bulk through surface barriers distributed along the tilted facets of the prism.

Original languageEnglish
Pages (from-to)1210-1212
Number of pages3
JournalPhysica C: Superconductivity and its Applications
Volume460-462 II
Issue numberSPEC. ISS.
StatePublished - 1 Sep 2007

Bibliographical note

Funding Information:
This research is supported by the Israel Science Foundation (ISF) – Center of Excellence Program (Grant No. 828/05) and the Heinrich Hertz Minerva Center for High Temperature Superconductivity.


  • BiSrCaCuO
  • Metastable vortex states
  • Surface barriers


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