The Weibel instability on strongly magnetized microwave produced plasma
- Department of Physics, Azarbaijan University of Tarbiat Moallem, Tabriz (Iran, Islamic Republic of) and Research Institute of Astronomy and Astrophysics of Maragha, P. O. Box 55134-44, Maragha (Iran, Islamic Republic of)
The electron distribution function (EDF) of plasma generated due to the interaction between a circularly polarized intense microwave (MW) field with a dilute gas is investigated in the presence of a static magnetic field. Making use of the EDF, the electron dielectric permittivity tensor is obtained. Taking into account the anisotropic structure of EDF, it is evident that the Weibel instability can occur in such plasmas. Therefore, using the adiabatic approximation, the dispersion relation is obtained for small electron perturbations across the MW field. By solving the dispersion relation, it is shown that not only does the magnetic field decrease the growth rate of the Weibel instability, but that a sufficiently strong magnetic field can make the instability completely disappear.
- OSTI ID:
- 20860289
- Journal Information:
- Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 10 Vol. 13; ISSN PHPAEN; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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