Magnetic field dependence of spin-lattice relaxation in the s$\pm$ state of Ba${}_{0.67}$K${}_{0.33}$Fe${}_2$As${}_2$

Sangwon Oh, A. M. Mounce, W. P. Halperin +4

The spatially averaged density of states, <N(0)>, of an unconventional d-wave superconductor is magnetic field dependent, proportional to $H^{1/2}$, owing to the Doppler shift of q…