Muon-Spin Rotation Measurements of an Unusual Vortex-Glass Phase in the Layered Superconductor Bi2.15Sr1.85CaCu2O8+δ
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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.
Heron , D O G , Ray , S J , Lister , S J S , Aegerter , C M , Keller , H , Kes , P H , Menon , G I & Lee , S L 2013 , ' Muon-Spin Rotation Measurements of an Unusual Vortex-Glass Phase in the Layered Superconductor Bi 2.15 Sr 1.85 CaCu 2 O 8+δ ' Physical Review Letters , vol 110 , no. 10 , 107004 . DOI: 10.1103/PhysRevLett.110.107004
Physical Review Letters
(C) 2013 American Physical Society.
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