Ultrafast Stiffening of the Lattice Potential and Metastable State Formation in 1$T$-TiSe${}_2$

Xue-Qing Ye, Hao Liu, Qi-Yi Wu +8

We use ultrafast optical spectroscopy to investigate the electronic and lattice dynamics of the charge-density wave (CDW) material 1$T$-TiSe${}_2$ across various temperatures and pum…