most citedOptimized RVB states of the 2-d antiferromagnet: Ground state and excitation spectrum

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cond-mat1993★ 19 cited

Optimized RVB states of the 2-d antiferromagnet: Ground state and excitation spectrum

Yong-Cong Chen, Kai Xiu

The Gutzwiller projection of the Schwinger-boson mean-field solution of the 2-d spin-1/2 antiferromagnet in a square lattice is shown to produce the optimized, parameter-free RVB g…