Facultatea de Fizică
Universitatea "Al.I.Cuza" Iaşi
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| Titlu: Feigenbaum scenario of transition to chaos in plasma |
| Autori: A. R. Stana 1,2 , L. M. Ivan 1 , D. G. Dimitriu 1 |
| Afiliere: 1 Universitatea „Al. I. Cuza“, Facultatea de Fizică, Bd. Carol I nr. 11, 700506 Iasi
2 Colegiul Tehnic „I. C. Stefanescu” Iasi, Bd. Socola 5153,
700268 Iasi |
| Abstract: On a positively biased electrode immersed in
plasma, a nearly spherical intense luminous structure
appears when the applied potential surpasses a certain
critical value [1,2]. Emissive probe measurements proved
that such a structure is a complex space charge
configuration consisting of a positive nucleus (positive
ion enriched plasma) surrounded and confined by a selfconsistent
double layer [1]. In certain experimental
conditions, if the electrode is large or asymmetric (with
one dimension greater than the others), a more complex
structure can appear, consisting of multiple luminous
spherical structures almost equally distributed on the
electrode surface because of the repulsive electrostatic
forces acting between them [36].
These structures were
called nonconcentric
multiple double layers [7] and can
appear successively at the increasing of the potential on
the electrode. |
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