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Magnetic Holes in Plasmas Close to the Mirror Instability : Volume 14, Issue 4 (09/07/2007)

By Borgogno, D.

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Book Id: WPLBN0004019825
Format Type: PDF Article :
File Size: Pages 11
Reproduction Date: 2015

Title: Magnetic Holes in Plasmas Close to the Mirror Instability : Volume 14, Issue 4 (09/07/2007)  
Author: Borgogno, D.
Volume: Vol. 14, Issue 4
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Passot, T., Sulem, P. L., & Borgogno, D. (2007). Magnetic Holes in Plasmas Close to the Mirror Instability : Volume 14, Issue 4 (09/07/2007). Retrieved from

Description: CNRS, Observatoire de la CÔte d'Azur, B.P. 4229, 06304 Nice Cedex 4, France. Non-propagating magnetic hole solutions in anisotropic plasmas near the mirror instability threshold are investigated in numerical simulations of a fluid model that incorporates linear Landau damping and finite Larmor radius corrections calculated in the gyrokinetic approximation. This FLR-Landau fluid model reproduces the subcritical mirror bifurcation recently identified on the Vlasov-Maxwell system, both by theory and numerics. Stable magnetic hole solutions that display a polarization different from that of Hall-MHD solitons are indeed obtained slighlty below threshold, while magnetic patterns and spatio-temporal chaos emerge when the system is maintained in a mirror unstable regime.

Magnetic holes in plasmas close to the mirror instability

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