Vortex motion and kosterlitz-thouless transition in superconducting single crystals Bi2Sr2CaCu2Ox

S. N. Artemenko, I. G. Gorlova, Yu I. Latyshev

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Hall voltages VH in a resistive superconducting state and in a normal state are shown to have opposite signs. This is accounted for by a flux vortex motion. Current-voltage characteristics V∝Ia(T) near the transition with a characteristic Nelson-Kosterlitz jump in a(T) at T = Tc present the evidence for a Kosterlitz-Thouless (KT) transition, which may be explained by flux vortex unbinding inside the superconducting planes.

Original languageEnglish
Pages (from-to)428-434
Number of pages7
JournalPhysics Letters A
Issue number8
Publication statusPublished - 10 Jul 1989


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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