Hai-Long Deng

collaborators

4 papers

cond-mat.str-el2026

Ultrafast Fluence-Reversal Fingerprint of Fragile Kondo Hybridization in CePt $_{2}$ In $_{7}$

Xin-Yi Tian, Qi-Yi Wu, Chen Zhang +13

The emergence of heavy quasiparticles in a Kondo lattice is usually viewed as the formation of a low-energy hybridization gap. Whether this gap represents a rigid electronic struct…

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…

Ultrafast Fluence-Reversal Fingerprint of Fragile Kondo Hybridization in CePt2​In7​

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​

Ultrafast Fluence-Reversal Fingerprint of Fragile Kondo Hybridization in CePt $_{2}$ In $_{7}$

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 $_{7}$