Small-scale Induced Large-scale Transitions in Solar Wind Magnetic Field
Date Issued
2021
Author(s)
•
Faranda, Davide
•
Donner, Reik V.
•
Caby, Theophile
•
•
•
Dubrulle, Berengere
•
Vaienti, Sandro
Abstract
We investigate the role of small-scale dynamics in inducing large-scale transitions in the solar wind magnetic field by means of dynamical system metrics based on instantaneous fractal dimensions. By looking at the corresponding multiscale features, we observe a break in the average attractor dimension occurring at the crossover between the inertial and the kinetic/dissipative regime. Our analysis suggests that large-scale transitions are induced by small-scale dynamics through an inverse cascade mechanism driven by local correlations, while electron contributions (if any) are hidden by instrumental noise.
Volume
914
Issue
1
Start page
L6
Issn Identifier
2041-8205
Ads BibCode
2021ApJ...914L...6A
Rights
open.access
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Alberti - ApJL (2021).pdf
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