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Universality in solar flare, magnetic storm and earthquake dynamics using Tsallis statistical mechanics
Authors:Georgios Balasis  Ioannis A DaglisAnastasios Anastasiadis  Constantinos PapadimitriouMioara Mandea  Konstantinos Eftaxias
Institution:
  • a Institute for Space Applications and Remote Sensing, National Observatory of Athens, Metaxa and Vasileos Pavlou, Penteli, 15236, Athens, Greece
  • b Section of Solid State Physics, Department of Physics, University of Athens, Panepistimiopolis, Zografos, 15784, Athens, Greece
  • c Institut de Physique du Globe de Paris, Paris, France
  • Abstract:The universal character of the dynamics of various extreme phenomena is an outstanding scientific challenge. We show that X-ray flux and Dst time series during powerful solar flares and intense magnetic storms, respectively, obey a nonextensive energy distribution function for earthquake dynamics with similar values for the Tsallis entropic index q. Thus, evidence for universality in solar flares, magnetic storms and earthquakes arise naturally in the framework of Tsallis statistical mechanics. The observed similarity suggests a common approach to the interpretation of these diverse phenomena in terms of driving physical mechanisms that have the same character.
    Keywords:Universality  Solar flare  Magnetic storm  Earthquake dynamics  Tsallis statistics
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