Kavli Affiliate: Zheng Zhu
| First 5 Authors: Bo Zhao, Jingyu Zhao, Zheng Zhu, Jian Wu, Zheng Liu
| Summary:
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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