Triplet pairing and upper critical field in the mixed state of d-wave superconductors

Abstract

We show that an additional triplet component of the order parameter is generated in the vortex phase of the d-wave superconductor. Spatial variations of the triplet component are analyzed for a strong spin-orbit coupling. Corrections to the London equation and an unusual temperature dependence of the upper critical field, are obtained in the case of the weak spin-orbit coupling.

arXiv comment4 pages 1 figure

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• The extended Lawrence-Doniach model: the temperature evolution of the in-plane magnetic field anisotropy
• Cooper Pairs with Broken Time-Reversal, Parity, and Spin-Rotational Symmetries in Singlet Type-II Superconductors
• Structure of the core of magnetic vortices in d-wave superconductors with a subdominant triplet pairing mechanism
• Low-temperature proximity effect in clean metals
• Upper critical field in the model with finite range interaction between electrons