Three dimensional filamentary structures of a relativistic electron beam in Fast Ignition plasmas
Anupam Karmakar, Naveen Kumar, Oleg Polomarov, Gennady Shvets,, Alexander Pukhov
TL;DR
This paper uses 3D PIC simulations to study the formation of filamentary structures and electromagnetic fields of relativistic electron beams in Fast Ignition plasmas, focusing on effects of beam temperature and collisions.
Contribution
It provides new insights into how beam temperature and collisions influence filament growth in relativistic electron beams within Fast Ignition conditions.
Findings
Filamentary structures are significantly affected by beam temperature.
Collisions in the return plasma current influence filament development.
Electromagnetic field dynamics are characterized in detail.
Abstract
The filamentary structures and associated electromagnetic fields of a relativistic electron beam have been studied by three dimensional particle-in-cell (PIC) simulations in the context of Fast Ignition fusion. The simulations explicitly include collisions in return plasma current and distinctly examine the effects of beam temperature and collisions on the growth of filamentary structures generated.
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