32 citations · 128 across the 8 of their papers we have counts for
8 papers
Instability in domain wall dynamics in almost compensated ferrimagnets
R. V. Ovcharov, B. A. Ivanov, E. G. Galkina +2
Nanoscale self-localized topological spin textures, such as domain walls and skyrmions, are of interest for the fundamental physics of magnets and spintronics applications. Ferrima…
Spin-Hall nanooscillator based on an antiferromagnetic domain wall
Roman V. Ovcharov, Elena G. Galkina, Boris A. Ivanov +1
We propose here a high-frequency spin-Hall nano-oscillator based on a simple magnetic texture, such as a domain wall, located in an antiferromagnet with easy-axis anisotropy type.…
Inertial longitudinal magnetization reversal for non-Heisenberg ferromagnets
E. G. Galkina, V. I. Butrim, Yu. A. Fridman +2
We analyze theoretically the novel pathway of ultrafast spin dynamics for ferromagnets with high enough single-ion anisotropy (non-Heisenberg ferromagnets). This longitudinal spin…
Magnetic vortex as a ground state for micron-scale antiferromagnetic samples
E. G. Galkina, A. Yu. Galkin, B. A. Ivanov +1
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…
Stable topological textures in a classical 2D Heisenberg model
E. G. Galkina, E. V. Kirichenko, B. A. Ivanov +1
We show that stable localized topological soliton textures (skyrmions) with topological charge exist in a classical 2D Heisenberg model of a ferromagnet with uniaxi…
Large temperature dependence of the Casimir force at the metal-insulator transition
E. G. Galkina, B. A. Ivanov, Sergey E. Savel'ev +2
The dependence of the Casimir force on material properties is important for both future applications and to gain further insight on its fundamental aspects. Here we derive a genera…
Chirality tunneling and quantum dynamics for domain walls in mesoscopic ferromagnets
E. G. Galkina, B. A. Ivanov, Sergey Savel'ev +1
We studied the quantum dynamics of ferromagnetic domain walls (topological kink-type solitons) in one dimensional ferromagnetic spin chains. We show that the tunneling probability…
Solitons in isotropic antiferromagnets: beyond a sigma model
E. G. Galkina, A. Yu. Galkin, B. A. Ivanov
Isotropic antiferromagnets shows a reach variety of magnetic solitons with non-trivial static and dynamic properties. One-dimensional soliton elementary excitations have a periodic…