Abstract
The model of the short-range order state for itinerant antiferromagnets with SDW is developed. The thermodynamic transverse spin density fluctuation are shown to influence essentially on the formation of the long-range magnetic order. In the wide temperature range these occurs the shortprange, magnetic order regim. The properties of the low-frequency transverse excitations of the spin density are analized. The existence of a fully diffusive mode at small wave vectors is predicted.
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References
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Avignon, M., Men'shov, V.N. & Tugushev, V.V. Short-range order in spin density wave antiferromagnets. Czech J Phys 46 (Suppl 4), 1839–1840 (1996). https://doi.org/10.1007/BF02570911
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DOI: https://doi.org/10.1007/BF02570911