The Energy Cascade in Solar Wind MHD Turbulence

被引：0
作者：
R. Marino
L. Sorriso-Valvo
V. Carbone
A. Noullez
R. Bruno
B. Bavassano
机构：
[1] Università dellla Calabria,Dipartimento di Fisica
[2] INFM/CNR,Licryl Regional Laboratory
[3] CNRS,Observatoire de la Côte d’Azur
[4] IFSI/CNR,undefined
来源：
Earth, Moon, and Planets | 2009年 / 104卷
关键词：
Solar wind; Magnetohydrodynamics; Turbulence;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Direct evidence for the presence of an inertial energy cascade, the most characteristic signature of hydromagnetic turbulence (MHD), is observed in the solar wind by the Ulysses spacecraft. A linear relation is indeed observed for the scaling of mixed third order structure functions involving Elsässer variables. This experimental result, confirming the prescription stemming from a theorem for MHD turbulence, firmly establishes the turbulent character of low-frequency velocity and magnetic field fluctuations in the solar wind plasma.
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页码：115 / 119
页数：4
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