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cond-mat.mtrl-sci2026
Spin-Chirality-Driven Bulk Photovoltaic Effect in van der Waals Magnet CrSBr
Dezhao Wu, Yong Xu, Meng Ye +1
The bulk photovoltaic effect (BPVE) can be greatly enriched in magnetic materials. Here, we establish vector spin chirality as a tunable knob for generating an unconventional time-…
cond-mat.str-el2026
Exciton-roton mode in moiré fractional Chern insulators
Xiaoyang Shen, Zijian Zhou, Ruiping Guo +4
Moiré fractional Chern insulators (FCIs) are a novel class of quantum matter that realizes fractional quantum Hall (FQH) physics in zero magnetic field and provides a platform for…
cond-mat.mtrl-sci2026
Manipulating Charge Distribution in Moiré Superlattices by Light
Ruiping Guo, Haowei Chen, Wenhui Duan +2
In ordinary solids, nonlinear optical responses are typically studied in terms of unit-cell averages due to the angström-scale lattice constants. In contrast, moiré superlattices,…