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Phys. Rev. E 65, 026211 (2002) [4 pages]

Stochastic ionization through noble tori: Renormalization results

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C. Chandre and T. Uzer
Center for Nonlinear Science, School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430

Received 23 April 2001; revised 4 October 2001; published 22 January 2002

We find that chaos in the stochastic ionization problem develops through the breakup of a sequence of noble tori. In addition to being very accurate, our method of choice, the renormalization map, is ideally suited for analyzing properties at criticality. Our computations of chaos thresholds agree closely with the widely used empirical Chirikov criterion.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.65.026211
DOI:
10.1103/PhysRevE.65.026211
PACS:
05.45.Ac, 32.80.Rm, 05.10.Cc