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cond-mat.mtrl-sci2026
Enabling large language model agents for high-fidelity many-body perturbation theory calculations
Benran Zhang, Byeongchan Lee, Zien Zhu +6
Many-body perturbation theory (MBPT) methods, including the GW approximation, the GW plus Bethe-Salpeter equation (GW-BSE) method, and GW perturbation theory (GWPT), among others,…
cond-mat.mtrl-sci2026
Ab initio time-dependent GW approach for nonequilibrium exciton-phonon coupled dynamics across momentum space
Zhenfa Zheng, Benran Zhang, Jiawei Ruan +10
The dynamics of optical excitations in materials generally involves intertwined electron-hole (e-h) and electron-phonon (e-ph) interactions out of equilibrium. However, a full theo…
cond-mat.mes-hall2026
Layer-tunable Hubbard bands probed via moiré excitons in MoSe/WS heterostructures
Hongyu Yao, Qiao Li, Chih-En Hsu +5
Moiré superlattices in transition metal dichalcogenide heterostructures provide a highly tunable platform for engineering strongly interacting states at the nanoscale. However, qua…