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O. A. Kosmachev
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Journal Articles

Two-dimensional solitons in spin nematic states for magnets with an isotropic exchange interaction

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E. G. Galkina, B. A. Ivanov, O. A. Kosmachev, Yu. A. Fridman
Journal: Low Temperature Physics
Low Temp. Phys. 41, 382–389 (2015)
https://doi.org/10.1063/1.4921470
Published: May 2015
View articletitled, Two-dimensional solitons in spin nematic states for magnets with an isotropic exchange interaction
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Journal Articles

Temperature dependence of the spectra of elementary excitations for anisotropic S = 1 ferromagnetics

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V. I. Butrim, O. A. Kosmachev, Yu. A. Fridman
Journal: Low Temperature Physics
Low Temp. Phys. 40, 972–977 (2014)
https://doi.org/10.1063/1.4901405
Published: November 2014
View articletitled, Temperature dependence of the spectra of elementary excitations for anisotropic S = 1 ferromagnetics
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Journal Articles

Phase transitions in a ferromagnet with an anisotropic biquadratic exchange interaction

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Yu. A. Fridman, O. A. Kosmachev, F. N. Klevets
Journal: Low Temperature Physics
Low Temp. Phys. 32, 214–223 (2006)
https://doi.org/10.1063/1.2178471
Published: March 2006
View articletitled, Phase transitions in a ferromagnet with an anisotropic biquadratic exchange interaction
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Journal Articles

Phase transitions in a ferromagnet with biquadratic exchange and hexagonal single-ion anisotropy

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Yu. A. Fridman, O. A. Kosmachev, B. L. Eingorn
Journal: Low Temperature Physics
Low Temp. Phys. 31, 522–527 (2005)
https://doi.org/10.1063/1.1943537
Published: June 2005
View articletitled, Phase transitions in a ferromagnet with biquadratic exchange and hexagonal single-ion anisotropy
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Journal Articles

Phase states of a non-Heisenberg ferromagnet with complex single-ion anisotropy

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Ya. A. Fridman, O. A. Kosmachev, B. L. Eingorn
Journal: Low Temperature Physics
Low Temp. Phys. 29, 555–562 (2003)
https://doi.org/10.1063/1.1596578
Published: July 2003
View articletitled, Phase states of a non-Heisenberg ferromagnet with complex single-ion anisotropy
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Journal Articles

Phase states and spectra of coupled magnetoelastic waves in a ferromagnet with inclined anisotropy

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L. Ya. Arifov, Yu. A. Fridman, V. I. Butrim, O. A. Kosmachev
Journal: Low Temperature Physics
Low Temp. Phys. 27, 636–639 (2001)
https://doi.org/10.1063/1.1399201
Published: August 2001
View articletitled, Phase states and spectra of coupled magnetoelastic waves in a ferromagnet with inclined anisotropy
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Journal Articles

Influence of a large biquadratic interaction on the phase states of a non-Heisenberg biaxial ferromagnet

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Yu. A. Fridman, O. A. Kosmachev
Journal: Low Temperature Physics
Low Temp. Phys. 27, 473–477 (2001)
https://doi.org/10.1063/1.1382989
Published: June 2001
View articletitled, Influence of a large biquadratic interaction on the phase states of a non-Heisenberg biaxial ferromagnet
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Journal Articles

Phase diagram and the spectra of coupled magnetoelastic waves of a biaxial ferromagnet with a biquadratic interaction in an external magnetic field

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Yu. A. Fridman, O. A. Kosmachev, G. É. Baı̆ramalieva
Journal: Low Temperature Physics
Low Temp. Phys. 26, 822–826 (2000)
https://doi.org/10.1063/1.1330596
Published: November 2000
View articletitled, Phase diagram and the spectra of coupled magnetoelastic waves of a biaxial ferromagnet with a biquadratic interaction in an external magnetic field
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Journal Articles

Spectra of coupled magnetoelastic waves of a biaxial strongly anisotropic ferromagnet with biquadratic interaction

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Yu. N. Mitsaı̆, Yu. A. Fridman, O. V. Kozhemyako, O. A. Kosmachev
Journal: Low Temperature Physics
Low Temp. Phys. 25, 513–519 (1999)
https://doi.org/10.1063/1.593776
Published: July 1999
View articletitled, Spectra of coupled magnetoelastic waves of a biaxial strongly anisotropic ferromagnet with biquadratic interaction
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