Presentation Information

[PEM17-P04]Electromagnetic linear dispersion relation for plasma with a drift across magnetic field

*Takayuki Umeda1, Takuma Nakamura2 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.Space Research Institute, Austrian Academy of Sciences)

Keywords:

plasma waves,linear theory,dispersion relation

A current across the magnetic field is formed in various situations in plasma. The relative drift between ions and electrons due to the cross-field current becomes a source of various microscopic instabilities. A fully electromagnetic and kinetic linear dispersion relation for plasma with a drift across magnetic field is derived by assuming a uniform background plasma. The dielectric permittivity tensor for shifted Maxwellian velocity distributions is also presented.