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| Titel |
Chaos and magnetospheric dynamics |
| VerfasserIn |
G. P. Pavlos, D. Diamandidis, A. Adamopoulos, A. G. Rigas, I. A. Daglis, E. T. Sarris |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 1, no. 2/3 ; Nr. 1, no. 2/3, S.124-135 |
| Datensatznummer |
250000005
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| Publikation (Nr.) |
 copernicus.org/npg-1-124-1994.pdf |
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| Zusammenfassung |
| Our intention in this work is to show, by using two different
methods, that magnetospheric dynamics reveal low dimensional chaos. In the first method we
extend the chaotic analysis for the AE index time series by including singular value
decomposition (SVD) analysis in combination with Theiler's test in order to discriminate
dynamical chaos from self-affinity or "crinkliness". The estimated fractality of
the AE index time series which is obtained belongs to a strange attractor structure with
close returns in the reconstructed phase space. In the second method we extend the linear
equivalent magnetospheric electric circuit to a nonlinear one, the arithmetic solution of
which reveals low dimensional chaotic dynamics. Both methods strongly support the
existence of low dimensional magnetospheric chaos. |
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