Derives a Bogoliubov sum rule fixing the T=0 Knight shift in noncentrosymmetric superconductors to a Fermi-surface projector of the spin-locking vector, producing a Knight-shift ellipsoid that classifies pairing classes and interprets NMR data.
Agreement to≲5% in ev- ery component (typicalT→0 extrapolation res- olution) is consistent with the single-band unitary BdG framework
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Bogoliubov sum rules and the Knight-shift ellipsoid in noncentrosymmetric superconductors
Derives a Bogoliubov sum rule fixing the T=0 Knight shift in noncentrosymmetric superconductors to a Fermi-surface projector of the spin-locking vector, producing a Knight-shift ellipsoid that classifies pairing classes and interprets NMR data.