Fast matter-antimatter separation via Weibel-induced plasma filamentation
Plasma Physics
2025-02-12 v2
Abstract
We study the separation of matter and antimatter driven by the growth of the Weibel instability in a matter-antimatter plasma. The plasma under consideration comprises protons and antiprotons initially at rest, along with a relativistic stream of leptons (electrons and positrons). This stream is maintained by an external force, potentially originating from phenomena such as a photon wind. Our findings reveal the rapid onset of a Weibel-type instability, leading to a distinct separation of matter and antimatter. Results from our particle-in-cell (PIC) simulations are compared with an analytical model based on the linearized magnetohydrodynamics equations.
Keywords
Cite
@article{arxiv.2501.14479,
title = {Fast matter-antimatter separation via Weibel-induced plasma filamentation},
author = {Oliver Mathiak and Lars Reichwein and Alexander Pukhov},
journal= {arXiv preprint arXiv:2501.14479},
year = {2025}
}