berry curvature 1circular photogalvanic effect 1optical spectroscopy 1quantized optical response 1topological semimetals 1
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cond-mat.mtrl-sci2026
Quantized Photocurrents in Gapless Topological Matter
Byunghoon Kim, Tenzin Norden, Mohammad Yahyavi +17
The authors experimentally observe a quantized circular photogalvanic effect in the chiral topological semimetal Rh0.95Ni0.05Si, providing an all‑optical analogue of the quantum Ha…
cond-mat.mtrl-sci2025
Theoretical study of high harmonic generation in monolayer NbSe
Daniel A. Rehn, Towfiq Ahmed, Jinkyoung Yoo +2
High harmonic generation (HHG) is a powerful probe of electron dynamics on attosecond to femtosecond timescales and has been successfully used to detect electronic and structural c…