Superconductivty without inversion symmetry: MnSi versus CePt3Si
P. Frigeri, D. F. Agterberg, A. Koga, M. Sigrist
Abstract
Superconductivity in materials without spatial inversion symmetry is studied. We show that in contrast to common believe, 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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