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cond-mat.str-el2013★ 41 cited
Exchange relaxation as the mechanism of ultrafast spin reorientation in two-sublattice ferrimagnets
V. G. Baryakhtar, V. I. Butrim, B. A. Ivanov
In the exchange approximation, an exact solution is obtained for the sublattice magnetizations evolution in a two-sublattice ferrimagnet. Nonlinear regimes of spin dynamics are fou…
cond-mat.str-el2013
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…