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Phys. Rev. Lett. 105, 075005 (2010) [4 pages]

Laboratory Simulation of Arched Magnetic Flux Rope Eruptions in the Solar Atmosphere

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S. K. P. Tripathi* and W. Gekelman
Physics and Astronomy, University of California at Los Angeles, Los Angeles, California 90095, USA

Received 9 February 2010; published 13 August 2010

See accompanying Physics Synopsis

Dramatic eruption of an arched magnetic flux rope in a large ambient plasma has been studied in a laboratory experiment that simulates coronal loops. The eruption is initiated by laser generated plasma flows from the footpoints of the rope that significantly modify the magnetic-field topology and link the magnetic-field lines of the rope with the ambient plasma. Following this event, the flux rope erupts by releasing its plasma into the background. The resulting impulse excites intense magnetosonic waves that transfer energy to the ambient plasma and subsequently decay.

© 2010 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.105.075005
DOI:
10.1103/PhysRevLett.105.075005
PACS:
52.72.+v, 52.38.Mf, 96.60.pf

*tripathi@physics.ucla.edu

gekelman@physics.ucla.edu