The 1D spin-1/2 AF-Heisenberg model in a staggered field
classification
❄️ cond-mat.str-el
keywords
fieldmodelstaggeredaf-heisenbergamplitudesantiferromagneticdetaildimerized
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We investigate the scaling properties of the excitation energies and transition amplitudes of the one-dimensional spin-$1\over 2$ antiferromagnetic Heisenberg model exposed to an external perturbation. Two types of perturbations are discussed in detail: a staggered field and a dimerized field.
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