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Numerical Solutions of the Fokker–Planck Equation for Magnetic Nanoparticles

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5 Author(s)
D. P. Ansalone ; Dept. of Electr. Eng., Politec. di Torino, Torino, Italy ; C. Ragusa ; M. d'Aquino ; C. Serpico
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We present a method to solve numerically the Fokker-Planck equation for a uniformly magnetized nanoparticle. This approach is an algebraic formulation scheme that uses integral variables associated with space and time elements. This new method is compared with a spectral collocation method, similar to that referenced in a previous article. The stationary distribution, the eigenvalues of the Fokker-Planck operator, and the self-covariance function obtained from the two approaches are compared. The numerically calculated stationary distributions are also checked against analytical results.

Published in:

IEEE Transactions on Magnetics  (Volume:45 ,  Issue: 11 )