Analysis reveals relations between spin polarization angles and Hamiltonian parameters in Neel-type states.
This article investigates Neel-type states in the anisotropic Heisenberg model with an external field. For arbitrary spin s and arbitrary dimension of the space d we find the expressions relating the angles which define the directions of spin polarisation to the parameters of the Hamiltonian.
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Babaian et al. (2025) studied this question.
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