Local control of ultrafast dynamics in magnetic nanoparticles
arXiv:0812.0584 · doi:10.1103/PhysRevLett.102.057204
Abstract
Using the local control theory we derive analytical expressions for magnetic field pulses that steer the magnetization of a monodomain magnetic nanoparticle to a predefined state. Finite-temperature full numerical simulations confirm the analytical results and show that a magnetization switching or freezing is achievable within few precessional periods and that the scheme is exploitable for fast thermal switching.
References in corpus (5)
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