Author: J. L. García-palacios

0000000001054565

AUTHOR

J. L. García-palacios

showing 1 related works from this author

Nonlinear response of superparamagnets with finite damping: an analytical approach

2004

The strongly damping-dependent nonlinear dynamical response of classical superparamagnets is investigated by means of an analytical approach. Using rigorous balance equations for the spin occupation numbers a simple approximate expression is derived for the nonlinear susceptibility. The results are in good agreement with those obtained from the exact (continued-fraction) solution of the Fokker-Planck equation. The formula obtained could be of assistance in the modelling of the experimental data and the determination of the damping coefficient in superparamagnets.

PhysicsStatistical Mechanics (cond-mat.stat-mech)Mathematical analysisFOS: Physical sciencesCondensed Matter - Soft Condensed MatterCondensed Matter PhysicsExpression (mathematics)Electronic Optical and Magnetic MaterialsNonlinear systemClassical mechanicsSimple (abstract algebra)Soft Condensed Matter (cond-mat.soft)Fokker–Planck equationCondensed Matter - Statistical MechanicsSpin-½

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