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Anisotropic superconductivity in PrOs 4Sb 12

  • Physics


Recently two anisotropic superconducting gap functions have been observed in the skutterudite PrOs 4Sb 12 . These order parameters are spin-triplet. There are at least 2 distinct phases in a magnetic field, bearing some resemblance to superfluid 3 He. Here we present an analysis of the thermodynamic properties in these two superconducting states within the weak-coupling BCS theory. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

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