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Domain instability during magnetization precession

, : Domain instability during magnetization precession. Physical Review Letters 96(4): 047601-047601

Spin wave equations describing the nonequilibrium precessional state of a ferromagnetic system are given. The equations reveal a new type of spin wave instability (SWI) towards growing domains of uniform magnetization. In the developed stages of SWI a nonstationary picture of domain chaos is revealed by numerical simulations. SWI is capable of explaining recent experimental observation of stochastic switching in precessional magnetization reversal.


PMID: 16486896

DOI: 10.1103/PhysRevLett.96.047601

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