Nonlinear Oscillation Analysis and Stabilization Control of Magnetic Domain Wall

Abstract

A chaotic region and stabilization method of domain-wall motion were examined by computer simulation. As a result, the chaotic domain-wall motion was distributed outside of (high frequency)-(large amplitude), and (low frequency)-(small amplitude) excitation region, and the bottom of region supported domain-wall resonance. In addition, the extended delayed feedback control (EDFC) method and Half-period-EDFC method that improved delayed feedback method were shown to be effective as a control method.