Lyapunov Exponent Spectrum for Two-Mode Model in Spin-Wave Chaos

Chin. Phys. Lett.

1992, Vol. 9

Issue (8): 435-437 DOI:

Original Articles

Lyapunov Exponent Spectrum for Two-Mode Model in Spin-Wave Chaos

HE Yuquan;CHI Ruidong;YU Jinlong

Department of Physics, Tianjin University, Tianjin 300072

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HE Yuquan, CHI Ruidong, YU Jinlong 1992 Chin. Phys. Lett. 9 435-437

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Abstract The results of numerical experiments on the two-mode model for yttrium iron garnet sphere in the parallel-pumping configuration are reported and the complete Lyapunov exponent spectrum is presented. A rather complicated structure of the Lyapunov exponent spectrum can be recognized by the appearance of the associated peak in the Kolmogorov-Sinai entropy and the Lyapunov dimension diagrams. The results confirm an important connexion between the effective number of spin-wave modes involved and the Lyapunov dimension of the attractors.

Keywords: 75.30.Ds 05.45.+b

Published: 01 August 1992

PACS:	75.30.Ds	(Spin waves)
	05.45.+b

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I8/0435

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