Volume 67, Number 3, August 2004
|Page(s)||504 - 510|
|Section||Geophysics, astronomy, and astrophysics|
|Published online||01 July 2004|
One-point statistics and intermittency of induced electric field in the solar wind
Dipartimento di Fisica, Università della Calabria and Istituto Nazionale per la Fisica della Materia, Sezione di Cosenza Ponte Pietro Bucci, cubo 31C, I-87030 Rende (CS), Italy
2 Istituto di Fisica dello Spazio Interplanetario, CNR - I-00133 Roma, Italy
Accepted: 25 May 2004
The interplanetary induced electric field is studied, using solar-wind time series. The probability distribution functions (PDFs) of the electric-field components are measured from the data and their non-gaussianity is discussed. Moreover, for the first time we show that the electric-field turbulence is characterized by intermittency. This point is addressed by studying, as usual, the scaling of the PDFs of field increments, which allows a quantitative characterization of intermittency.
PACS: 96.50.Bh – Solar and interplanetary electric and magnetic fields (including solar wind fields) / 52.35.Ra – Plasma turbulence / 52.25.Gj – Fluctuation and chaos phenomena
© EDP Sciences, 2004
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