Waiting-time distributions of magnetic discontinuities: clustering or Poisson process?
Using solar wind data from the Advanced Composition Explorer spacecraft, with the support of Hall magnetohydrodynamic simulations, the waiting-time distributions of magnetic discontinuities have been analyzed. A possible phenomenon of clusterization of these discontinuities is studied in detail. We perform a local Poisson's analysis in order to establish if these intermittent events are randomly distributed or not. Possible implications about the nature of solar wind discontinuities are discussed.
Greco
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A
Dipartimento di Fisica, Universita' della Calabria, Cosenza, Italy. greco@fis.unical.it
Matthaeus
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WH
Servidio
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Dmitruk
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P
D003198:Computer Simulation; D004574:Electromagnetic Fields; D008280:Magnetics; D015233:Models, Statistical; D017711:Nonlinear Dynamics; D016012:Poisson Distribution; D013997:Time Factors