Local Kinetic Effects in Two-Dimensional Plasma Turbulence

Details Local Kinetic Effects in Two-Dimensional Plasma Turbulence Local Kinetic Effects in Two-Dimensional Plasma Turbulence

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012phrvl.108d5001s&link_type=abstract

Physical Review Letters, vol. 108, Issue 4, id. 045001

Physics

Plasma Physics

1

Plasma Turbulence, Plasma Simulation, Space Plasma Physics, Solar Wind Plasma, Sources Of Solar Wind

Scientific paper

Using direct numerical simulations of a hybrid Vlasov-Maxwell model, kinetic processes are investigated in a two-dimensional turbulent plasma. In the turbulent regime, kinetic effects manifest through a deformation of the ion distribution function. These patterns of non-Maxwellian features are concentrated in space nearby regions of strong magnetic activity: the distribution function is modulated by the magnetic topology, and can elongate along or across the local magnetic field. These results open a new path on the study of kinetic processes such as heating, particle acceleration, and temperature anisotropy, commonly observed in astrophysical and laboratory plasmas.

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