Propagation properties of the Pearcey Gaussian vortex electron plasma wave

What is it about?

In this paper, the analytical solution of Pearcey Gaussian Vortex electron plasma wave in an unmagnetized, collision-free plasma is calculated and the results of numerical simulations agree with those of analytical simulations. We observe that the PGVEP wave propagating in this context differs from most of other Pearcey Gaussian vortex beams that it lacks excess side lobes distributed along the outer edge of the cusp. Meanwhile, it exhibits self-focusing and self-accelerating properties during propagation. Furthermore, we conduct a foundational analysis of the electrostatic potential, the angular momentum and the Poynting vector to gain a deeper understanding of the properties of the PGVEP wave, considering the cases when the charge is n = 1 and n = 2, respectively. We believe these findings will provide more ideas for applications in plasmas-waves.

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