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Chaotic transients in the switching of roto-breathers

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preprint
posted on 2006-04-12, 15:53 authored by Richard Giles, Feodor Kusmartsev
By integrating a set of model equations for Josephson ladder subjected to a uniform transverse bias current we have found almost all of the kinds of breathers described in recent experiments, and closely reproduced their voltage-current characteristics and switching behaviour. Our main result is that a chaotic transient occurs in the switching process. The growth of tiny perturbations during the chaotic transient causes the new breather configuration to be extremely sensitive to the precise history of the initial breather and can also cause the new breather to have a new centre of symmetry.

History

School

  • Science

Department

  • Physics

Pages

328862 bytes

Publication date

2001

Notes

This is a pre-print. It is also available at: http://arxiv.org/abs/cond-mat/0101439.

Language

  • en

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