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physics.chem-ph2025★ 1 cited
Screening in the Heitler-London Model: Revisiting the Bonding and Antibonding States of the Hydrogen Molecule
Washington P. da Silva, Daniel Vieira, Jonas Maziero +1
The present manuscript revisits one of the earliest approaches to treating molecular systems within the Schrödinger formalism of quantum mechanics: the Heitler-London (HL) model. O…
physics.chem-ph2012
Strong correlations in density-functional theory: A model of spin-charge and spin-orbital separations
Daniel Vieira
It is known that the separation of electrons into spinons and chargons, the spin-charge separation, plays a decisive role when describing strongly correlated density distributions…