H. Y. Liu

collaborators

4 papers

cond-mat.str-el2026

Nonthermal melting and density wave instability coupled to the lattice in La $_{4}$ Ni $_{3}$ O $_{10}$

Chen Zhang, Lixing Chen, Qi-Yi Wu +15

The recent discovery of high-temperature superconductivity in pressurized nickelates has renewed interest in the broken-symmetry states of their ambient-pressure parent phases, whe…

cond-mat.str-el2026

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer La $_{3}$ Ni $_{2}$ O $_{7}$

Qi-Yi Wu, De-Yuan Hu, Chen Zhang +14

We report a polarized ultrafast pump-probe study of the normal-state electronic dynamics in bilayer La $_{3}$ Ni $_{2}$ O $_{7}$ and trilayer La $_{4}$ Ni $_{3}$ O $_{10}$ single crystals at ambient p…

cond-mat.str-el2025

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate La $_{3}$ Ni $_{2}$ O $_{7}$

Qi-Yi Wu, De-Yuan Hu, Chen Zhang +13

Utilizing ultrafast optical pump-probe spectroscopy, we investigate the coexistence and competition of electronic orders in the bilayer nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ . Our results rev…

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…

Nonthermal melting and density wave instability coupled to the lattice in La4​Ni3​O10​

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer La3​Ni2​O7​

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate La3​Ni2​O7​

Unraveling Magneto-Phononic Coupling and Photoinduced Magnetic Control in Antiferromagnetic Kondo Semimetal CeBi

Nonthermal melting and density wave instability coupled to the lattice in La $_{4}$ Ni $_{3}$ O $_{10}$

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer La $_{3}$ Ni $_{2}$ O $_{7}$

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate La $_{3}$ Ni $_{2}$ O $_{7}$