Strong Correlations in Density-Functional Theory: A Model of Spin-Charge and Spin-Orbital Separations
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It is known that the separation of electrons into spinons and chargons, the spin-charge separation, plays a decisive role when describing one-dimensional (1D) strongly correlated systems [ Phys. Rev. B 2012 , 86 , 075132 ]. In this paper, within the density-fu... ...