Papers › Fractionalized Kohn-Sham Scheme for Strongly Correlated Electrons
Fractionalized Kohn-Sham Scheme for Strongly Correlated Electrons
Bo Zhao, Jingyu Zhao, Zheng Zhu, Jian Wu, Zheng Liu
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We propose to expand the territory of density functional theory to strongly correlated electrons by reformulating the Kohn-Sham scheme in the representation of fractionalized particles. We call it the ``KS* scheme.'' Using inhomogeneous t-J chains as a test bed, we show that the KS* scheme with simple local density approximation is able to achieve accurate ground-state energy and density distribution comparable to the density matrix renormalization group method, while the computational complexity is much lower.
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