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Akademický článek
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Autor:
OREL, VALERII B.1,2 (AUTHOR) orel.valeriy@gmail.com, GALKIN, OLEXANDER YU.2 (AUTHOR), OREL, VALERII E.1,2 (AUTHOR) orel.valeriy@gmail.com , DASYUKEVICH, OLGA YO.1 (AUTHOR), RYKHALSKYI, OLEKSANDR YU.1 (AUTHOR), KURAPOV, YURII A.3 (AUTHOR), LITVIN, STANISLAV A.3 (AUTHOR), YUKHYMCHUK, VOLODYMYR O.4 (AUTHOR), ISAYEVA, OKSANA F.4 (AUTHOR), SYVAK, LIUBOV A.1 (AUTHOR), DEDKOV, ANATOLIY G.1 (AUTHOR)
Publikováno v:
Journal of Mechanics in Medicine & Biology. Aug2023, Vol. 23 Issue 6, p1-16. 16p.
Publikováno v:
Phys. Rev. B 87, 184404 (2013)
We show that a magnetic vortex is the ground state of an array of magnetic particles shaped as a hexagonal fragment of a triangular lattice, even for an small number of particles in the array $N \leq 100$. The vortex core appears and the symmetry of
Externí odkaz:
http://arxiv.org/abs/1301.4245
Autor:
Cherepov, S. S., Koop, B. C., Korenivski, V., Worledge, D. C., Galkin, A. Yu., Khymyn, R. S., Ivanov, B. A.
Publikováno v:
Phys. Rev. Lett. 109, 097204 (2012)
We investigate magnetic nano-pillars, in which two thin ferromagnetic nanoparticles are separated by a nanometer thin nonmagnetic spacer and can be set into stable spin vortex-pair configurations. The 16 ground states of the vortex-pair system are ch
Externí odkaz:
http://arxiv.org/abs/1110.4430
Publikováno v:
Phys. Rev. B 81, 184413 (2010)
Here we consider micron-sized samples with any axisymmetric body shape and made with a canted antiferromagnet, like hematite or iron borate. We find that its ground state can be a magnetic vortex with a topologically non-trivial distribution of the s
Externí odkaz:
http://arxiv.org/abs/1004.0606
Publikováno v:
Phys. Rev. B 81, 224415 (2010)
The dispersion relations of collective oscillations of the magnetic moment of magnetic dots arranged in square-planar arrays and having magnetic moments perpendicular to the array plane are calculated. The presence of the external magnetic field perp
Externí odkaz:
http://arxiv.org/abs/1002.1477
Autor:
Galkin, A. Yu., Ivanov, B. A.
For submicron particles shaped as any axisymmetric body and made with standard canted antiferromagnet like hematite or iron borate, the ground state may comprise of a magnetic vortex with topologically non-trivial distribution of the sublattice magne
Externí odkaz:
http://arxiv.org/abs/0905.1966
Publikováno v:
Low Temp. Phys (Kharkov) vol. 34, #7, 662-668 (2008)
Isotropic antiferromagnets shows a reach variety of magnetic solitons with non-trivial static and dynamic properties. One-dimensional soliton elementary excitations have a periodic dispersion law. For two-dimensional case, planar antiferromagnetic vo
Externí odkaz:
http://arxiv.org/abs/0712.0073
We develop a consistent semiclassical theory of spin dynamics for an isotropic ferromagnet with a spin $ S=1$ taking into consideration both bilinear and biquadratic over spin operators exchange interaction. For such non-Heisenberg magnets, a peculia
Externí odkaz:
http://arxiv.org/abs/0711.4285