Light-induced new collective modes in La${}_{1.905}$Ba${}_{0.095}$CuO${}_4$ superconductor

S. J. Zhang, Z. X. Wang, L. Y. Shi +5

We report near and mid-infrared pump c-axis terahertz probe measurement on a superconducting single crystal La${}_{1.905}$Ba${}_{0.095}$CuO${}_4$ with T${}_c$=32 K. The measurement reveals…