Light-induced nonequilibrium response of the superconducting cuprate La${}_{2-x}$Sr${}_x$CuO${}_4$

Hiroaki Niwa, Naotaka Yoshikawa, Kaito Tomari +4

We report the dynamics of the cuprate superconductor La${}_{2-x}$Sr${}_x$CuO${}_4$ ($x=0.14$) after intense photoexcitation utilizing near-infrared (800 nm) optical pump-terahertz pr…