Temperature Dependence of the Superfluid Density in a Noncentrosymmetric Superconductor

Details Temperature Dependence of the Superfluid Density in a Noncentrosymmetric Superconductor Temperature Dependence of the Superfluid Density in a Noncentrosymmetric Superconductor

2005-10-20

arxiv.org/abs/cond-mat/0510546v1

Phys. Rev. B 73, 024504 (2006)

Physics

Condensed Matter

Superconductivity

10 pages

Scientific paper

10.1103/PhysRevB.73.024504

For a noncentrosymmetric superconductor such as CePt3Si, we consider a Cooper pairing model with a two-component order parameter composed of spin-singlet and spin-triplet pairing components. We calculate the superfluid density tensor in the clean limit on the basis of the quasiclassical theory of superconductivity. We demonstrate that such a pairing model accounts for an experimentally observed feature of the temperature dependence of the London penetration depth in CePt3Si, i.e., line-node-gap behavior at low temperatures.

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