Vacuum breakdown in magnetic dipole wave by 10-PW class lasers

Efimenko, E. S.; Bashinov V, A.; Muraviev, A. A.; Volokitin, V. D.; Meyerov, I. B.; Leuchs, Gerd; Sergeev, A. M.; Kim V, A.

doi:10.1103/PhysRevE.106.015201

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Vacuum breakdown in magnetic dipole wave by 10-PW class lasers

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Leuchs, Gerd
Leuchs Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;
Friedrich-Alexander-Universität Erlangen-Nürnberg, External Organizations;

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https://journals.aps.org/pre/abstract/10.1103/PhysRevE.106.015201
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Citation

Efimenko, E. S., Bashinov V, A., Muraviev, A. A., Volokitin, V. D., Meyerov, I. B., Leuchs, G., et al. (2022). Vacuum breakdown in magnetic dipole wave by 10-PW class lasers. PHYSICAL REVIEW E, 106(1): 015201. doi:10.1103/PhysRevE.106.015201.

Cite as: https://hdl.handle.net/21.11116/0000-000F-8DAB-2

Abstract

The vacuum breakdown by 10-PW-class lasers is studied in the optimal configuration of laser beams in the form of an m-dipole wave, which maximizes the magnetic field. Using 3D PIC simulations we calculated the threshold of vacuum breakdown, which is about 10 PW. We examined in detail the dynamics of particles and identified particle trajectories which contribute the most to vacuum breakdown in such highly inhomogeneous fields. We analyzed the dynamics of the electron-positron plasma distribution on the avalanche stage. It is shown that the forming plasma structures represent concentric toroidal layers and the interplay between particle ensembles from different spatial regions favors vacuum breakdown. Based on the angular distribution of charged particles and gamma photons a way to experimentally identify the process of vacuum breakdown is proposed.