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Fluctuation effects in nematic-type phases in quantum systems of spin 1 and 9 are examined. The analogue of the Mermin-Wagnertheoremis formulated and the perturbation theory is shown to be logarithmically divergent under certain conditions. The low-energy excitations depend on the parity of 2s.doi:10.1088/0953-8984/2/6/018 fatcat:xkgsjdrtlnhyxnyn4kyl6bfm4u