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Prichard & Price 1993
Prichard, D. and Price, C.P. (1993). Is the AE index the result of nonlinear dynamics?. Geophysical Research Letters 20: doi: 10.1029/93GL03012. issn: 0094-8276.

Recently there has been much interest in determining if the global geomagnetic system, as characterized by AE and AL indices, can be described by a low dimensional, possibly chaotic, non-linear dynamical system. By using a statistical method for detecting nonlinearity, we show that for one interval which has been previously analyzed (the first 8192 minutes of January 1983) there is no evidence for low dimensional behavior. ¿ American Geophysical Union 1993

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Abstract

Keywords
Magnetospheric Physics, Solar wind-magnetosphere interactions, Magnetospheric Physics, Storms and substorms, Magnetospheric Physics, General or miscellaneous, General or Miscellaneous, New fields (not classifiable under other headings)
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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