Matúš Dubecký published a new paper!
From Wave Function Sign Structure to Static Correlation Link here: https://doi.org/10.1021/acs.jctc.6c00954 Abstract: We define a variational nodal partition of correlation energy, Ecor = Esym + Estat, relative to a mean-field baseline and its single-determinant (SD) node. Estat is the component associated with replacing the exact node with the SD one, isolating Fermionic sign-structure correlation. The complement contains dynamic and strong nodeless correlation.…









