Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..784..205f&link_type=abstract
MAGNETIC FIELDS IN THE UNIVERSE: From Laboratory and Stars to Primordial Structures. AIP Conference Proceedings, Volume 784, pp
Astronomy and Astrophysics
Astrophysics
1
Magnetohydrodynamics, Astrophysical Jets, Gamma-Ray Sources (Astronomical), Supernovae, Magnetohydrodynamics And Plasmas
Scientific paper
We present new results from laboratory astrophysical experiments which explore the creation of outflows via strong toroidal magnetic fields. Our results are relevant to a variety of astrophysical environments which exhibit outflows from a central source including YSOs, PNe and perhaps GRBs/SNe. Our laboratory astrophysics experiments use the MAGPIE pulsed power machine at Imperial Collage. Experiments with radial wire arrays show the creation of high velocity outflows driven by strong gradients in toroidal field. These expanding ``magnetic bubbles'' exhibit jet-like columns on axis which eventually go unstable in a manner indicative of kink modes. We present these initial results and discuss their relevance through scaling arguments to astrophysical outflows.
Blackman Eric
Ciardi Andrea
Frank Adam
Lebedev Sergey
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