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physics.chem-ph2026
All-electron Dynamical Bethe-Salpeter Equation for Extended Systems with Atom-centered Orbital Basis
Ruiyi Zhou, Songrui Liu, Jianhang Xu +2
Solving Bethe-Salpeter equation (BSE) for the two-particle Green's function is the most widely used approach for taking into account the particle-hole (exciton) interaction in elec…
physics.chem-ph2024
Lagrangian Formulation of Nuclear-Electronic Orbital Ehrenfest Dynamics with Real-time TDDFT for Extended Periodic Systems
Jianhang Xu, Ruiyi Zhou, Tao E. Li +2
We present a Lagrangian-based implementation of Ehrenfest dynamics with nuclear-electronic orbital (NEO) theory and real-time time-dependent density functional theory (RT-TDDFT) fo…
physics.chem-ph2024
All-electron BSE@GW method with Numeric Atom-Centered Orbitals for Extended Systems
Ruiyi Zhou, Yi Yao, Volker Blum +2
Green's function theory has emerged as a powerful many-body approach not only in condensed matter physics but also in quantum chemistry in recent years. We have developed a new all…