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Renormalization of the tunnel splitting in a rotating nanomagnet
Renormalization of the tunnel rotating nanomagnet
2010/11/22
We study spin tunneling in a magnetic nanoparticle with biaxial anisotropy that is free to rotate about its anisotropy axis. Exact instanton of the coupled equations of motion is found that connects d...
Field-tunable stochasticity in the magnetization reversal of a cylindrical nanomagnet
Field-tunable stochasticity magnetization reversal
2010/11/18
The nature of magnetization reversal in an isolated cylindrical nanomagnet has been studied
employing time-resolved magnetoresistance measurement. We find that the reversal mode is highly
stochastic...