Temperature Dependence of the Superfluid Density in a Noncentrosymmetric Superconductor

Abstract

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.

10 pages

References in corpus (6)

• Line nodes in the superconducting gap function of noncentrosymmetric CePt_3Si
• Magnetoelectric effects in heavy-fermion superconductors without inversion symmetry
• Order parameter in superconductors with non-degenerate bands
• Mixed-parity superconductivity in centrosymmetric crystals
• NMR relaxation rate in non-centrosymmetric superconductors
• Are Th doped Y2C3 and La2C3 two-band superconductors?

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