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19942020
most citedNonlinear Sigma model method for the J1-J2 Heisenberg model: disordered ground state with plaquette symmetry

62 citations · 369 across the 28 of their papers we have counts for

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cond-mat.str-el2006★ 11 cited

Charge Gap in the One-Dimensional Extended Hubbard Model at Quarter Filling

K. Sano, Y. Ono

We propose a new combined approach of the exact diagonalization, the renormalization group and the Bethe ansatz for precise estimates of the charge gap in the one-dimensional e…