Transient gap generation in BaFe${}_2$As${}_2$ driven by coherent lattice vibrations

Jacob A. Warshauer, Daniel Alejandro Bustamante Lopez, Qingxin Dong +2

The electronic structure and the magnetic properties of iron-based superconductors are highly sensitive to the pnictogen height. Coherent excitation of the $A_{1g}$ phonon by femto…