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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}


Heron, D O G; Ray, S J; Lister, S J; 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, 110(10):107004.

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.

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.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2013
Deposited On:05 Feb 2014 13:06
Last Modified:05 Apr 2016 17:30
Publisher:American Physical Society
ISSN:0031-9007
Publisher DOI:https://doi.org/10.1103/PhysRevLett.110.107004

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