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Threshold fields of forming ad trapping a vortex in a small high-temperature superconducting particle.

[In Russian. / En russe.]

Author(s) : BLINOV E. V., VLASENKO L. S., KUFAEV Ju. A., SONIN E. B., STEPANOV Ju. P., TAGANCEV A. K., FLEISHER V. G.

Type of article: Article

Summary

Within the thermodynamic Gibbs potential the theoretical consideration is given for possibility of forming a vortex line in superconducting particles of different shapes having the transverse size smaller than the penetration depth. The expressions are obtained for the threshold fields corresponding to forming and trapping a vortex during field cooling and zero-field cooling, demonstrating the dependence of these fields on particle radius. This agrees with the experiment performed in powder-like high-temperature superconductors having different distributions over the particle sizes.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1994-2090
  • Languages: Russian
  • Source: Z. eksp. teor. Fiz. - vol. 103 - n. 2
  • Publication date: 1993/02
  • Document available for consultation in the library of the IIR headquarters only.

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