Muon spin rotation and infrared spectroscopy study of magnetism and superconductivity in Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$

B. P. P. Mallett, C. N. Wang, P. Marsik +6

Using muon spin rotation and infrared spectroscopy we study the relation between magnetism and superconductivity in Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$ single crystals from t…