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In this section we summarize the approach used by previous authors [8, 16-19] to find expressions for the relaxation times of single domain ferromagnetic and ferrofluid particles. We begin with the Fokker-Planck equation obtained from Gilbert s equation, in spherical polar coordinates, augmented by a random field term, that is, with Brown s equation. We then expand the probability density of orientations of M, that is. [Pg.301]

See other pages where Ferromagnetic particle relaxation Fokker-Planck is mentioned: [Pg.274] [Pg.276] [Pg.354] [Pg.360] [Pg.196]