Superconductivity without inversion symmetry: MnSi versus CePt3Si.

  title={Superconductivity without inversion symmetry: MnSi versus CePt3Si.},
  author={P. A. Frigeri and Daniel F Agterberg and Akihisa Koga and Manfred Sigrist},
  journal={Physical review letters},
  volume={92 9},
Superconductivity in materials without spatial inversion symmetry is studied. We show that in contrast to common belief, spin-triplet pairing is not entirely excluded in such systems. Moreover, paramagnetic limiting is analyzed for both spin-singlet and -triplet pairing. The lack of inversion symmetry reduces the effect of the paramagnetic limiting for spin-singlet pairing. These results are applied to MnSi and CePt3Si. 
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