Hybrid Simulation of Plasma Stretching

Details Hybrid Simulation of Plasma Stretching Hybrid Simulation of Plasma Stretching

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh33b0373t&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SH33B-0373

Physics

Plasma Physics

2753 Numerical Modeling, 7800 Space Plasma Physics, 7829 Kinetic Waves And Instabilities, 7867 Wave/Particle Interactions (2483, 6984), 7868 Wave/Wave Interactions

Scientific paper

We simulate an impact of slow plasma stretching on the ULV turbulence and the proton temperature anisotropy. We use a modified hybrid code where physical sizes of the simulation box increase during the time. The simulation starts with a homogeneous, stable plasma. First, the evolution is double adiabatic one, later, as the plasma gets more stretched and unstable to AIC instability, an important ULF turbulence appears. The plasma-ULV waves system stays close to the marginal stability and we find an anticorrelation between proton beta and temperature anisotropy. We discuss the results and compare them with in situ observations.

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