Optical conductivity of an electron gas driven by a pulsed terahertz radiation fieldHongying Mei, Haifeng Yuan, Hua Wen, Haizi Yao, Shuxiang Sun, Xinyan Zheng, Fang Liu, Haowen Li and Wen XuEur. Phys. J. B, 95 7 (2022) 111DOI: https://doi.org/10.1140/epjb/s10051-022-00363-4