Bilinear-biquadratic spin-1 model in the Haldane and dimerized phases
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DOI: 10.1103/physrevb.105.024424
Abstract: We study the low-lying spectrum of the bilinear-biquadratic Heisenberg model in the dimerized and Haldane phases using a tensor renormalization method. At the critical point θ = −π/4 the finitesize spectrum predicted by the Wess-Zumino-Witten… read more here.
Keywords: model haldane; model; bilinear biquadratic; biquadratic spin ... See more keywords