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Dynamical Toroidal Hopfions in a Ferromagnet with Easy-Axis Anisotropy

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arxiv 0911.0451 v1 pith:NIIQ5G5N submitted 2009-11-02 cond-mat.str-el

Dynamical Toroidal Hopfions in a Ferromagnet with Easy-Axis Anisotropy

classification cond-mat.str-el
keywords anisotropybeenferromagnetsolitonstoroidalalongaxisdetermined
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Three-dimensional toroidal precession solitons with a nonzero Hopf index, which uniformly move along the anisotropy axis in a uniaxial ferromagnet, have been found. The structure and existence region of the solitons have been numerically determined by solving the Landau-Lifshitz equation.

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