Rapid Generation of Angular Momentum in Bounded Magnetized Plasma
Journal Article
·
· Physical Review Letters
- LMFA, UMR CNRS 5509, Ecole Centrale de Lyon-Universite de Lyon, Ecully (France)
- M2P2, UMR 6181 CNRS and CMI, Universites d'Aix-Marseille, Marseille (France)
Direct numerical simulations of two-dimensional decaying MHD turbulence in bounded domains show the rapid generation of angular momentum in nonaxisymmetric geometries. It is found that magnetic fluctuations enhance this mechanism. On a larger time scale, the generation of a magnetic angular momentum, or angular field, is observed. For axisymmetric geometries, the generation of angular momentum is absent; nevertheless, a weak magnetic field can be observed. The derived evolution equations for both the angular momentum and angular field yield possible explanations for the observed behavior.
- OSTI ID:
- 21179967
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 23 Vol. 101; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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