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cond-mat.str-el2015★ 28 cited
Molecular bonding with the RPAx: from weak dispersion forces to strong correlation
Nicola Colonna, Maria Hellgren, Stefano de Gironcoli
In a recent article [Phys. Rev. B 90, 125102 (2014)] we showed that the random phase approximation with exchange (RPAx) gives accurate total energies for a diverse set of systems i…
cond-mat.str-el2014★ 46 cited
Correlation energy within exact-exchange ACFD theory: systematic development and simple approximations
Nicola Colonna, Maria Hellgren, Stefano de Gironcoli
We have calculated the correlation energy of the homogeneous electron gas (HEG) and the dissociation energy curves of molecules with covalent bonds from a novel implementation of t…