8 papers · 1 filter
Theoretical Analysis and PIC Simulations of Electromagnetic Wakefields Excited by Relativistic Beams in Magnetized Plasmas
Ali Asghar Molavi Choobini, Mehran Shahmansouri
This study presents theoretical and numerical investigation of the coupled longitudinal and radial wakefields excited by ultrarelativistic electron beams propagating through a cold…
Second Harmonic Generation Through Backward Raman Scattering in Magnetized Plasmas Driven by Circularly Polarized Intense Lasers
S. S. Ghaffari-Oskooei, A. A. Molavi Choobini
A fluid-based theoretical framework is developed to describe the nonlinear cascade linking primary BRS-driven plasma wave amplification, oscillating two-stream instability (OTSI),…
Spatiotemporal THz emission from radial and longitudinal wakefields by copropagating chirped lasers in magnetized rippled plasma
A. A. Molavi Choobini, F. M. Aghamir
The excitation of radial and longitudinal wake-fields by two co-propagating chirped laser pulses in a rippled, magnetized plasma has been examined. This study aimed to clarify the…
Tailored Three Dimensional Betatron Dynamics in UltraStable Hybrid Laser Plasma RF Accelerators
A. A. Molavi Choobini, M. Shahmansouri
The detailed theoretical and numerical investigation of hybrid laser plasma RF accelerators, elucidating the mechanisms governing transverse beam dynamics, betatron polarization, a…
3D PIC simulation and theoretical modeling of RF Laser pulse in magnetized plasma for the generation of multidimensional relativistic Wakefields
A. A. Molavi Choobini, M. Shahmansouri
The present study, investigates the modulation of plasma wakefields in dense magnetized plasma driven by relativistic electron beams under transverse RF excitation. A self consiste…
Wakefield-induced THz wave generation in a hybrid dielectric-plasma cylindrical waveguide
A. A. Molavi Choobini, F. M. Aghamir
In the present study, the generation of THz radiation through wakefield excitation in a cylindrical dielectric plasma waveguide is investigated. The proposed hybrid dielectric-plas…