Tsallis statistics and magnetospheric self-organization

G.P. Pavlos, L.P. Karakatsanis, M.N. Xenakis, D. Sarafopoulos and E.G. Pavlos

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 11, 3069-3080

Abstract: In this study we use Tsallis non-extensive statistics for a new understanding the magnetospheric dynamics and the magnetospheric self-organization during quiet and intensive superstorm periods. The qsens, qstat, and qrel indices set known as the Tsallis q-triplet was estimated during both quiet and strongly active periods, as well as the correlation dimensions and Lyapunov exponents spectrum for magnetospheric bulk plasma flows data. The results obtained by our analysis clearly indicate the magnetospheric phase transition process from a high-dimensional quiet SOC state to a low-dimensional global chaotic state when superstorm events are developed. During such a phase transition process the non-extensive statistical character of the magnetospheric plasma is strengthened as the values of the q-triplet indices changes obtaining higher values than their values during the quiet periods.

Keywords: Tsallis non-extensive statistics; Non-equilibrium phase transition; Intermittent turbulence; Self-organized criticality; Low dimensional chaos; Magnetosphere; Superstorm (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:11:p:3069-3080

DOI: 10.1016/j.physa.2012.01.033

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