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On the dimensionally correct kinetic theory of turbulence for parallel propagation

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On the dimensionally correct kinetic theory of turbulence for parallel propagation

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Título On the dimensionally correct kinetic theory of turbulence for parallel propagation
Autor Gaelzer, Rudi
Yoon, Peter H.
Kim, Sunjung
Ziebell, Luiz Fernando
Abstract Yoon and Fang [Phys. Plasmas 15, 122312 (2008)] formulated a second-order nonlinear kinetic theory that describes the turbulence propagating in directions parallel/anti-parallel to the ambient magnetic field. Their theory also includes discrete-particle effects, or the effects due to spontaneously emitted thermal fluctuations. However, terms associated with the spontaneous fluctuations in particle and wave kinetic equations in their theory contain proper dimensionality only for an artificial one-dimensional situation. The present paper extends the analysis and re-derives the dimensionally correct kinetic equations for three-dimensional case. The new formalism properly describes the effects of spontaneous fluctuations emitted in three-dimensional space, while the collectively emitted turbulence propagates predominantly in directions parallel/anti-parallel to the ambient magnetic field. As a first step, the present investigation focuses on linear wave-particle interaction terms only. A subsequent paper will include the dimensionally correct nonlinear wave-particle interaction terms.
Contido em Physics of plasmas. Melville. Vol. 22, no. 3 (Mar. 2015), 032310, 10 p.
Assunto Flutuações em plasmas
Magnetohidrodinâmica de plasmas
Ondas nao-lineares em plasmas
Processos de transporte em plasmas
Teoria cinetica de plasmas
Turbulência em plasmas
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/142511
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