Muon-Spin Rotation Measurements of an Unusual Vortex-Glass Phase in the Layered Superconductor Bi2.15Sr1.85CaCu2O8+δ

David Owen Goudie Heron, Soumya Jyoti Ray, Stephen Joseph Shelford Lister, C. M. Aegerter, H. Keller, P. H. Kes, G. I. Menon, Stephen Leslie Lee

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Abstract

Muon-spin rotation measurements, performed on the mixed state of the classic anisotropic superconductor Bi2.15Sr1.85CaCu2O8+δ, obtain quantities directly related to two- and three-body correlations of vortices in space. A novel phase diagram emerges from such local probe measurements of the bulk, revealing an unusual glassy state at intermediate fields which appears to freeze continuously from the equilibrium vortex liquid but differs both from the lattice and the conventional high-field vortex glass state in its structure.
Original languageEnglish
Article number107004
Number of pages5
JournalPhysical Review Letters
Volume110
Issue number10
DOIs
Publication statusPublished - 6 Mar 2013

Keywords

  • Muon-spin
  • Rotation measurement
  • Anisotropic superconductor
  • Bi2.15Sr1.85CaCu2O8+δ
  • Vortices

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