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On experimental evidence of chaotic dynamics over short time scales in solar wind and cometary data using nonlinear prediction techniques

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Abstract

Strong indications of chaotic dynamics underlying in the interplanetary and cometary magnetic field fluctuations over short time scales are identified using HEOS-2 spacecraft (at 1 AU), Pioneer 10 (at 4.8 AU), Pioneer 11 (at 20 AU) and ICE (Giacobini-Zinner cometary environment) high-resolution measurements. Other non-chaotic candidate processes, such as linear deterministic models, fractal Brownian motion, and linear gaussian stochastic models are rejected at a high confidence level using nonlinear prediction methods. Experimental proofs of phase correlations are obtained. Assuming chaotic dynamics, estimations of the Kolmogorov-Sinai entropy are provided.

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Authors and Affiliations

  1. Astronomy, Astrophysics and Mechanics, Department of Physics, National University of Athens, Panepistimiopolis, GR 15783, Zographos, Athens, Greece

    J. M. Polygiannakis & X. Moussas

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  1. J. M. Polygiannakis
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  2. X. Moussas
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Polygiannakis, J.M., Moussas, X. On experimental evidence of chaotic dynamics over short time scales in solar wind and cometary data using nonlinear prediction techniques. Sol Phys 151, 341–350 (1994). https://doi.org/10.1007/BF00679080

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  • DOI: https://doi.org/10.1007/BF00679080

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