Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3473
Title: Noisy one-dimensional maps near a crisis .2. General uncorrelated weak noise
Authors: REIMANN, Peter
Issue Date: 1996
Publisher: PLENUM PUBL CORP
Source: JOURNAL OF STATISTICAL PHYSICS, 85(3-4). p. 403-425
Abstract: The escape rate for one-dimensional noisy maps near a crisis is investigated. A previously introduced perturbation theory is extended to very general kinds of weak uncorrelated noise, including multiplicative white noise as a special case. For single-humped maps near the boundary crisis at fully developed chaos an asymptotically exact scaling law for the rate is derived. It predicts that transient chaos is stabilized by basically any noise of appropriate strength provided the maximum of the map is of sufficiently large order. A simple heuristic explanation of this effect is given. The escape rate is discussed in detail for noise distributions of Levy, dichotomous, and exponential type. In the latter case, the rate is dominated by an exponentially leading Arrhenius factor in the deep precritical regime. However, the preexponential factor may still depend more strongly than any power law on the noise strength.
Notes: LIMBURGS UNIV CTR,B-3590 DIEPENBEEK,BELGIUM.
Keywords: noisy map; crisis; escape rate; structural instability; dichotomous noise; Levy distribution
Document URI: http://hdl.handle.net/1942/3473
DOI: 10.1007/BF02174212
ISI #: A1996VN94200004
Type: Journal Contribution
Appears in Collections:Research publications

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