Effect of obliqueness of external magnetic field on the characteristics of magnetized plasma wakefield
الموضوعات : Journal of Theoretical and Applied Physics
Maryam Manouchehrizadeh
1
,
Davoud Dorranian
2
1 - Physics Department, Science Faculty, Islamic Azad University Tehran Central Branch
2 - Plasma Physics Research Center, Science and Research Branch, Islamic Azad University
الکلمات المفتاحية: Wakefield, Pondermotive force, Magnetized plasma, Laplace transformation,
ملخص المقالة :
AbstractA direct three-dimensional model to study the wakefield in underdense magnetized plasma is introduced. The model is based on an analytic procedure by Laplace transformation for calculating the magnetized plasma wake equations. Wakefield is excited using a high-intensity ultrashort laser beam. In the presence of external magnetic field perpendicular to the direction of the laser pulse propagation direction, plasma electrons rotate around the magnetic field lines, leading to the generation of an electromagnetic component of the plasma wakes at plasma frequency. This component is polarized perpendicularly to the direct current magnetic field lines and propagates in the forward direction and normal direction with respect to the laser pulse propagation direction, both perpendiculars to the direction of the applied magnetic field. Intensity of the radiation in different plasma densities and different magnetic field strengths has been observed.
