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SUPERCONDUCTING TRANSITION AND ELECTRONIC CURRENT IN CRYSTAL CONTAINING SCREW DISLOCATION.

[In Russian. / En russe.]

Author(s) : DUBROVSKIJ I. M.

Type of article: Article

Summary

THE APPEARANCE OF SUPERCONDUCTING THREAD NEAR A SCREW DISLOCATION, THE SUPERCONDUCTING TRANSITION IN A CRYSTAL CONTAINING DISLOCATIONS AND THE DISTRIBUTION OF SUPERCONDUCTING CURRENT IN A CRYSTAL CONTAINING SCREW DISLOCATIONS ARE CONSIDERED ON THE BASIS OF THE GINZBURG-LANDAU EQUATIONS AND LONDON EQUATION AS WELL. THE CONDITIONS FOR THE SUPERCONDUCTING THREAD TO ARISE NEAR A DISLOCATION ARE SHOWN TO DEPEND ESSENTIALLY ON THE BEHAVIOUR OF ORDER PARAMETER IN THE DISLOCATION CORE. THE APPEARANCE OF A SUPERCONDUCTING THREAD IS NOT CONSIDERED TO BE A TRUE PHASE TRANSFORMATION WHICH REALLY TAKES PLACE IN THE THREE-DIMENSIONAL FRAME OF SUCH THREADS. IT IS SHOWN THAT THE CURRENT PASSING ALONG A SCREW DISLOCATION CAUSES A RELATED WHIRL THREAD TO ARISE, WHICH DOES NOT VANISH AFTER CUTTING OFF THE TRANSPORT CURRENT.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1983-0026
  • Languages: Russian
  • Source: Fiz. nizk. Temp. - vol. 8 - n. 4
  • Publication date: 1982
  • Document available for consultation in the library of the IIR headquarters only.

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