易轴各向异性铁磁体中的动力学环面Hopfions
Dynamical Toroidal Hopfions in a Ferromagnet with Easy-Axis Anisotropy
摘要:
在单轴铁磁体中发现了沿各向异性轴均匀运动的具有非零Hopf指数的三维环形进动孤子,通过求解Landau-Lifshitz方程,数值确定了孤子的结构和存在区域.
英文摘要:
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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