Temperature dependence of the magnetic penetration depth in the vortex state of the pyrochlore superconductor, Cd2Re2O7

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.89.147002
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TypeArticle
Journal titlePhysical Review Letters
ISSN0031-9007
Volume89
Issue14
Pages147002–; # of pages: 4
AbstractWe report transverse-field and zero-field muon spin rotation and relaxation studies of the superconducting rhenium oxide pyrochlore, Cd2Re2O7. Transverse-field measurements (H=0.007 T) show line broadening below T(c), which is characteristic of a vortex state, demonstrating conclusively the type-II nature of this superconductor. The penetration depth is seen to level off below about 400 mK (T/T(c) approximately 0.4), with a rather large value of lambda(T=0) approximately 7500 A. The temperature independent behavior below approximately 400 mK is consistent with a nodeless superconducting energy gap. Zero-field measurements indicate no static magnetic fields developing below the transition temperature.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
Identifier10109961
NPARC number12328884
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Record identifier459f54f2-d83e-474c-bc21-feea0c390fc3
Record created2009-09-10
Record modified2016-05-09
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