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Temperature dependence of the superfluid density in a noncentrosymmetric superconductor
2006
Physical Review B
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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.
doi:10.1103/physrevb.73.024504
fatcat:vnr7nmg3urdupb6ihhrninac3q