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physics.chem-ph2026
Orbital Optimization and Neural-Network-Assisted Configuration Interaction Calculations of Rydberg States
Gianluca Levi, Max Kroesbergen, Louis Thirion +5
Rydberg excited states of molecules pose a challenge for electronic structure calculations because of their highly diffuse electron distribution. Even large and elaborate atomic ba…
physics.chem-ph2025
Natural-Orbital-Based Neural Network Configuration Interaction
Louis Thirion, Yorick L. A. Schmerwitz, Max Kroesbergen +5
Selective configuration interaction methods approximate correlated molecular ground- and excited states by considering only the most relevant Slater determinants in the expansion.…
physics.chem-ph2025
A Neural-Network-Based Selective Configuration Interaction Approach to Molecular Electronic Structure
Yorick L. A. Schmerwitz, Louis Thirion, Gianluca Levi +4
By combining Hartree-Fock with a neural-network-supported quantum-cluster solver proposed recently in the context of solid-state lattice models, we formulate a scheme for selective…