Physics – Plasma Physics
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..dppto6006w&link_type=abstract
American Physical Society, 52nd Annual Meeting of the APS Division of Plasma Physics, November 8-12, 2010, abstract #TO6.006
Physics
Plasma Physics
Scientific paper
Recent experimental evidence suggests that turbulence is influenced by external electromagnetic fields. Localized magnetic fields might also distort turbulent systems. High-speed optical spectral scans in the arc driven shock tube confirm the presence of self-induced Stark Effect lines in argon and krypton plasmas. Analyses of the plasma turbulence in these lines indicates a sensitivity of the spectral index, the characteristic frequency, and turbulent energy to local field strength. Comparison of data in both the primary and reflected shock regions shows consistent behavior of the turbulent parameters as a function of field strength. In addition, the system complexity versus magnetic field also displays a constant behavior with increasing magnetic field. We discuss these results in the context of new turbulent astrophysics and fusion science.
Alexander Alonzo
Johnson Joseph III
Scott Marquita
Titus James
Williams Kyron
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