Electromagnetic vortex beam dynamics in degenerate electron-positron astrophysical plasmas

TL;DR

This paper investigates how electromagnetic vortex beams behave in degenerate electron-positron astrophysical plasmas, revealing that high-power beams can fragment into filaments and form stable solitons.

Contribution

It introduces a novel analysis of vortex beam dynamics in degenerate plasmas, highlighting filamentation and soliton formation at arbitrary degeneracy levels.

Findings

High-power vortex beams break into filaments.

Stable spatial solitons form with zero field at the center.

Behavior occurs across all degeneracy levels.

Abstract

For degenerate astrophysical electron-positron plasmas we have considered dynamics of electromagnetic beams carrying angular momentum. It is found for arbitrary level of degeneracy such a beam having the power exceeding a certain critical value breaks up into many filaments, eventually leading to the formation of stable spatial solitons keeping zero field in the center of the structure.