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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2008 Volume 87, Issue 3, Pages 181–186 (Mi jetpl33)

This article is cited in 10 papers

CONDENSED MATTER

Influence of additional perturbation on dynamical bistability in thin magnetic films

A. M. Shutyi

Ul'yanovsk State University, ul. L'va Tolstogo 42, Ul'yanovsk, 432700, Russia

Abstract: Bistable states in the precession dynamics of thin magnetic films with the stripe-domain structure have been investigated on the basis of a numerical solution of the equation of motion for magnetization. It has been found that weak additional perturbation due to chaotic and low-frequency harmonic oscillations of the magnetic field can substantially change the probability of the dynamical bistability regime and lead to the elimination of bistability establishing only one of the regimes.

PACS: 05.45.Pq, 75.40.Gb, 75.70.Ak

Received: 11.12.2007
Revised: 24.12.2007


 English version:
Journal of Experimental and Theoretical Physics Letters, 2008, 87:3, 154–158

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