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Title Lifetime of the Precession Mode of a Nanoparticle Magnetic Moment in a Rotating Magnetic Field
Authors Liutyi, Taras Volodymyrovych  
Poliakov, Oleksandr Yuriiovych
Polyakov, Oleksander Yuriiovych
Denysov, Stanislav Ivanovych  
Keywords magnetic moment
rotating magnetic field
stochastic Landau-Lifshitz equation
Fokker-Plank equation
lifetime
Type Article
Date of Issue 2011
URI http://essuir.sumdu.edu.ua/handle/123456789/20270
Publisher Суми: СумДУ
License
Citation NAP-2011 Proceeding, Vol.2, Part 1, P. 192-196
Abstract The influence of the rotating magnetic field on the thermal stability of the precession modes of the nanoparticle magnetic moment is studied analytically and numerically. The analytical results are obtained within the Fokker-Planck formalism, while the numerical ones are determined by the simulation of the stochastic Landau-Lifshitz equation. We numerically calculated the lifetime for both uniform and nonuniform precession modes, derived the expression for this time in the case of small amplitudes of the rotating field, and investigated in detail its frequency dependence. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/20270
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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