Light-induced switching to a Metastable Phase in a Layered Superconductor La${}_{2-x}$Sr${}_x$CuO${}_4$ (x=0.15)

Kaito Tomari, Ryusuke Matsunaga, Hiroaki Niwa +3

We investigated transient optical responses in an optimally-doped high-Tc superconductor La2-xSrxCuO4 (x=0.15) by using 800-nm optical pump and terahertz probe spectroscopy. With i…