3 papers
cond-mat.str-el2026
Ultrafast Stiffening of the Lattice Potential and Metastable State Formation in 1-TiSe
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-TiSe across various temperatures and pum…
cond-mat.str-el2025
Unraveling Magneto-Phononic Coupling and Photoinduced Magnetic Control in Antiferromagnetic Kondo Semimetal CeBi
Xu-Chen Nie, Chen Zhang, Qi-Yi Wu +9
We report an ultrafast optical spectroscopy study on the coherent phonon dynamics in the topological semimetal CeBi and its nonmagnetic isostructural compound LaBi, revealing profo…
cond-mat.str-el2024
Exploring Intrinsic Magnetic Topological Insulators: The Case of EuInAs
Hao Liu, Qi-Yi Wu, Chen Zhang +10
In this study, ultrafast optical spectroscopy was employed to elucidate the intricate topological features of EuInAs, a promising candidate for a magnetic topological-cryst…