Abstract

The dissipative landau-Lifshitz equation serves as a model for describing the nonlinear dynamics of magnetization inside a transversally driven ferromagnet with uniaxial anisotropy. The consideration of the internal exchange fields leads to a partial differential equation possessing spatially homogeneous solutions. The isolated evalution of the uniform mode can exhibit chaotic time-dependence; two Feigenbaum scenarios have been detected. The application of linear stability-analysis to the time-periodic homogeneous solutions shows that spatial instabilities occur before the chaotic state at k = 0 is established.

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