paper

QED Effects at Grazing Incidence on Solid-State-Targets

arXiv:2206.15180 · doi:10.1140/epjd/s10053-022-00494-4

Abstract

New laser facilities will reach intensities of . This advance enables novel experimental setups in the study of laser-plasma interaction. In these setups with extreme fields quantum electrodynamic (QED) effects like photon emission via non-linear Compton scattering and Breit-Wheeler pair production become important. We study high-intensity lasers grazing the surface of a solid-state target by two-dimensional particle-in-cell simulations with QED effects included. The two laser beams collide at the target surface at a grazing angle. Due to the fields near the target surface electrons are extracted and accelerated. Finally, the extracted electrons collide with the counter-propagating laser, which triggers many QED effects and leads to a QED cascade under a sufficient laser intensity. Here, the processes are studied for various laser intensities and angles of incidence and finally compared to a seeded vacuum cascade. Our results show that the proposed target can yield many order of magnitude more secondary particles and develop a QED cascade at lower laser intensities than the seeded vacuum alone.

8 pages, 6 figures, regular article, This article has been submitted to "The European Physical Journal D" (EPJ D) under the Topical Issue: High Field QED Physics; fixed typos in abstract and latex typo in eqation 4, added reference in section 1

References in corpus (8)

QED Effects at Grazing Incidence on Solid-State-Targets · wovepaper