Titlebook: Basics of Plasma Astrophysics; Claudio Chiuderi,Marco Velli Textbook 2015 Springer-Verlag Italia S.r.l., part of Springer Nature 2015 Astr

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Magnetic Reconnection,onary reconnection models of Sweet-Parker and Petschek are described before analyzing the resistive instabilities of current sheets and, in particular, the tearing mode. The chapter concludes with reconnection instabilities of thin sheets, or plasmoid instabilities, and the consequent general nonstationary behavior of reconnection processes.

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MHD Turbulence,e is presented and the fundamental results of Kolmogorov deduced. Their generalization to plasmas in the MHD regime is then discussed. The relevance of turbulence theory for the problem of solar coronal heating is the subject of the last section.

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Build-Up of Magnetic Fields,tlined. The more formal approach of mean-field electrodynamic is also exposed. Simple solutions of the dynamo equations are discussed. Finally, the problem of the creation of magnetic fields in an unmagnetized plasma is briefly considered.

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