Magnetic dot arrays modeling via the system of the radial basis function networks

Details Magnetic dot arrays modeling via the system of the radial basis function networks Magnetic dot arrays modeling via the system of the radial basis function networks

2002-04-05

arxiv.org/abs/cond-mat/0204130v1

J. Magn. Magn. Mater. 231 (2001) 273-286

Physics

Condensed Matter

Disordered Systems and Neural Networks

16 pages, 8 figures

Scientific paper

10.1016/S0304-8853(01)00164-0

Two dimensional square lattice general model of the magnetic dot array is introduced. In this model the intradot self-energy is predicted via the neural network and interdot magnetostatic coupling is approximated by the collection of several dipolar terms. The model has been applied to disk-shaped cluster involving 193 ultrathin dots and 772 interaction centers. In this case among the intradot magnetic structures retrieved by neural networks the important role play single-vortex magnetization modes. Several aspects of the model have been understood numerically by means of the simulated annealing method.

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