Evolution of Magnetohydrodynamic Turbulence in the Expanding Solar Wind: Residual Energy and Intermittency by Chen Shi, Nikos Sioulas, Zesen Huang, Marco Velli, Anna Tenerani, Victor Réville

“…The initial turbulence comprises uncorrelated counterpropagating Alfvén waves and exhibits an isotropic power spectrum. …”
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A Scenario for Origin of Global 4 mHz Oscillations in Solar Corona by Li Xue, Chengliang Jiao, Lixin Zhang

“…This result is consistent with global observations of Alfvénic waves in corona and can naturally explain the observational ubiquity of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>4</mn><mspace width="2pt"></mspace><mi>mHz</mi></mrow></semantics></math></inline-formula> without the difficulty of the <i>p</i>-mode passing through the acoustic-damping chromosphere. …”
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