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Dynamic and stagnating plasma flow leading to magnetic-flux-tube collimation.

Authors
Type
Published Article
Journal
Physical review letters
Publication Date
Volume
95
Issue
4
Pages
45002–45002
Identifiers
PMID: 16090816
Source
Medline
License
Unknown

Abstract

Highly collimated, plasma-filled magnetic-flux tubes are frequently observed on galactic, stellar, and laboratory scales. We propose that a single, universal magnetohydrodynamic pumping process explains why such collimated, plasma-filled magnetic-flux tubes are ubiquitous. Experimental evidence from carefully diagnosed laboratory simulations of astrophysical jets confirms this assertion and is reported here. The magnetohydrodynamic process pumps plasma into a magnetic-flux tube and the stagnation of the resulting flow causes this flux tube to become collimated.

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