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Temperature dependence of static and dynamic properties of an anisotropic ferrimagnet

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Abstract

The temperature dependences of the magnetizations of sublattices and the spectra of elementary excitations of an anisotropic ferrimagnet have been investigated. It has been shown that, in the anisotropic ferrimagnet, even a weak single-ion anisotropy induces the quantum spin reduction effect and, as a consequence, changes the behavior of the magnetizations of the sublattices. This gives rise to a new branch of magnetic excitations with the purely longitudinal dynamics of the average value of the spin due to the quantum spin reduction effect.

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Authors and Affiliations

  1. Taurida National Vernadsky University, pr. Akademika Vernadskogo 4, Simferopol, Crimean Autonomous Republic, 95007, Ukraine

    V. I. Butrim, O. A. Kosmachev & Yu. A. Fridman

  2. Institute of Magnetism, National Academy of Sciences of Ukraine, bulv. Vernadskogo 36-b, Kyiv, 03142, Ukraine

    B. A. Ivanov

Authors
  1. V. I. Butrim
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  2. B. A. Ivanov
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  3. O. A. Kosmachev
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  4. Yu. A. Fridman
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Corresponding author

Correspondence to Yu. A. Fridman.

Additional information

Original Russian Text © V.I. Butrim, B.A. Ivanov, O.A. Kosmachev, Yu.A. Fridman, 2012, published in Fizika Tverdogo Tela, 2012, Vol. 54, No. 7, pp. 1286–1291.

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Butrim, V.I., Ivanov, B.A., Kosmachev, O.A. et al. Temperature dependence of static and dynamic properties of an anisotropic ferrimagnet. Phys. Solid State 54, 1363–1369 (2012). https://doi.org/10.1134/S1063783412070128

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  • DOI: https://doi.org/10.1134/S1063783412070128

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