The effect of initial conditions on the electromagnetic radiation generation in type III solar radio bursts

Abstract

Extensive particle-in-cell simulations of fast electron beams injected in a background magnetised plasma with a decreasing density profile were carried out. These simulations were intended to further shed light on a newly proposed mechanism for the generation of electromagnetic waves in type III solar radio bursts [D. Tsiklauri, Phys. Plasmas, 18, 052903 (2011)]. The numerical simulations were carried out using different density profiles and fast electron distribution functions. It is shown that electromagnetic L and R modes are excited by the transverse current, initially imposed on the system. In the course of the simulations no further interaction of the electron beam with the background plasma could be observed.

minor typos corrected at proofs stage (final published version)

References in corpus (4)

• An alternative to the plasma emission model: Particle-In-Cell, self-consistent electromagnetic wave emission simulations of solar type III radio bursts
• Three dimensional particle-in-cell simulation of particle acceleration by circularly polarised inertial Alfven waves in a transversely inhomogeneous plasma
• The effect of electron beam pitch angle and density gradient on solar type III radio bursts
• Electron cyclotron maser emission mode coupling to the z-mode on a longitudinal density gradient in the context of solar type III bursts

Cited by in corpus (4)

• Note on quantitatively correct simulations of the kinetic beam-plasma instability
• Highly efficient electromagnetic emission during 100 keV electron beam relaxation in a thin magnetized plasma
• The effects of density inhomogeneities on the radio wave emission in electron beam plasmas
• Whistler wave generation by non-gyrotropic, relativistic, electron beams