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Digitale Medien

Bifurcation phenomena in a periodically driven current filament and a conjecture on the turbulent patterns by computer simulations (1989)

Aoki, K. ; Mugibayashi, N.

Springer

Applied physics 48 (1989), S. 161-169

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Details

ISSN: 1432-0630

Schlagwort(e): 72.20.Ht ; 72.20JV ; 05.45+b

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract Bifurcation routes to chaos in a periodically driven current filament have been studied by computer simulations. By an impact ionization model, theS-shaped currentvoltage curve is perturbed by the dc+ac bias ofE 0+E acsin(27πf 0t). The bifurcation maps are described as a function ofE 0. In the prebreakdown region, the fractal basin boundary, the crisis and the intermittency are discussed, based on the general considerations of the carrier dynamics on the catastrophe manifold. The intermittent burst of the current filament is explained by the destabilization of the weak turbulence generated in the lower branch. In the diffusion-reaction model, the spatio-temporal mode patterns of the transverse carrier profile have revealed the competitive evolution of the hyper-freezing and the firing.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01141279

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