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Muñoz Pablo R., Barroso Joaquim J., Chian Abraham C.-L., Rempel Erico L.

Edge state and crisis in the Pierce diode

Chaos, 2012, vol. 22, pp. 3120

Référence DOI : 10.1063/1.4736860
Référence ADS : 2012Chaos..22c3120M

Résumé :

We study the chaotic dynamics of the Pierce diode, a simple spatially extended system for collisionless bounded plasmas, focusing on the concept of edge of chaos, the boundary that separates transient from asymptotic dynamics. We fully characterize an interior crisis at the end of a periodic window, thereby showing direct evidence of the collision between a chaotic attractor, a chaotic saddle, and the edge of chaos, formed by a period-3 unstable periodic orbit and its stable manifold. The edge of chaos persists after the interior crisis, when the global attractor of the system increases its size in the phase space.

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