most citedSecond-order perturbation theory with spin-symmetry projected Hartree-Fock

18 citations · 18 across the 2 of their papers we have counts for

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2 papers

cond-mat.str-el2019★ 18 cited

Second-order perturbation theory with spin-symmetry projected Hartree-Fock

Takashi Tsuchimochi, Seiichiro L. Ten-no

We propose two different schemes for second-order perturbation theory with spin-projected Hartree-Fock. Both schemes employ the same ansatz for the first-order wave function, which…

physics.chem-ph2017

Bridging single- and multireference domains for electron correlation: spin-extended coupled electron pair approximation

Takashi Tsuchimochi, Seiichiro Ten-no

We propose a size-consistent generalization of the recently developed spin-extended configuration interaction with singles and doubles (ECISD), where a CI wave function is explicit…