Spin-density-wave-induced anomalies in the optical conductivity of AFe2As2, (A=Ca, Sr, Ba) single-crystalline iron pnictides

A. Charnukha, D. Pröpper, T. I. Larkin +6

We report the complex dielectric function of high-quality $A{\text{Fe}}_2{\text{As}}_2$, ($A$=Ca, Sr, Ba) single crystals with $T_{\mathrm{N}}\approx 150\text{K}$, $200\ \textrm…