most citedAn extended massless phase and the Haldane phase in a spin-1 isotropic antiferromagnetic chain

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cond-mat.stat-mech1996★ 116 cited

An extended massless phase and the Haldane phase in a spin-1 isotropic antiferromagnetic chain

Chigak Itoi, Masa-Hide Kato

We study the phase transition of isotropic spin-1 models in the vicinity of the Uimin-Lai-Sutherland model by using the SU(3)_1 WZW model with certain marginal perturbations. The u…