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Ultrafast dynamical path for the switching of a ferrimagnet after femtosecond heating
2013
Physical Review B
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Ultrafast laser-induced magnetic switching in rare earth, transition metal ferrimagnetic alloys has recently been reported to occur by ultrafast heating alone. Using atomistic simulations and a ferrimagnetic Landau-Lifshitz-Bloch formalism, we demonstrate that for switching to occur it is necessary that angular momentum is transferred from the longitudinal to transverse magnetization components. This dynamical path leads to magnetization switching and subsequent ultrafast precession caused by
doi:10.1103/physrevb.87.224417
fatcat:gvazryugg5cllkcjedn4vfqjxu