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Vertices in parameter space: Double crises which destroy chaotic attractors

Journal Article · · Physical Review Letters; (United States)
; ;  [1]
  1. University of Maryland, College Park, Maryland 20742-3511 (United States)
We report a new phenomenon observed along a crisis locus when two control parameters of physical models are varied simultaneously: the existence of one or several [ital vertices]. The occurrence of a vertex (loss of differentiability) on a crisis locus implies the existence of [ital simultaneous] sudden changes in the structure of both the chaotic attractor and of its basin boundary. Vertices correspond to [ital degenerate] tangencies between manifolds of the unstable periodic orbits accessible from the basin of the chaotic attractor. Physically, small parameter perturbations (noise) about such vertices induce drastic changes in the dynamics.
OSTI ID:
6245290
Journal Information:
Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 71:9; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English

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