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Issue J. Phys. Colloques
Volume 49, Number C8, Décembre 1988
Proceedings of the International Conference on Magnetism
Page(s) C8-1599 - C8-1600
DOI http://dx.doi.org/10.1051/jphyscol:19888732

Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-1599-C8-1600
DOI: 10.1051/jphyscol:19888732

MULTI-FRACTALS OF STRANGE ATTRACTORS IN PARALLEL-PUMPED SPIN-WAVE INSTABILITIES

K. Nakamura1, 2, M. Mino3 et H. Yamazaki3

1  The James Franck Institute, The University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, U.S.A.
2  On leave from Fukuoka Institute of technology, Higashi-ku, Fukuoka 811-12, Japan.
3  Department of Physics, Faculty of Science, Okayama University, Tsushima-naka-3, Okayama 700, Japan


Abstract
Strange attractors beyond the critical point are numerically studied on the basis of a theoretical model for parallel-pumped spin-wave instabilities. In the transition region leading to the growth of a high dimensional attractor, a singularity spectrum is found to show interesting bifurcations.