Multi-photon regime of non-linear Breit-Wheeler and Compton processes in short linearly and circularly polarized laser pulses

Abstract

Non-linear Breit-Wheeler $e^{+}{e}^{-}$ pair production and its crossing channel - the non-linear Compton process - in the multi-photon regime are analyzed for linearly and circularly polarized short laser pulses. The contribution of multi-photon processes to total cross sections is determined and we also show that (i) the azimuthal angular distributions of outgoing electrons in these processes differ on a qualitative level, and (ii) they depend on the polarization properties of the pulses. A finite carrier envelope phase (CEP) leads to a non-trivial non-monotonic behavior of the azimuthal angle distributions of the considered processes. That effect can be used for the CEP determination.

arXiv comment14 pages, 13 figures

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Cited by in corpus (13)

• Advances in QED with intense background fields
• Conceptual Design Report for the LUXE Experiment
• The locally monochromatic approximation to QED in intense laser fields
• A uniform locally constant field approximation for photon-seeded pair production
• Higher fidelity simulations of nonlinear Breit-Wheeler pair creation in intense laser pulses
• Fully polarized nonlinear Breit-Wheeler pair production in pulsed plane waves
• Non-linear Breit-Wheeler process with linearly polarized beams
• Pulse envelope effects in nonlinear Breit-Wheeler pair-creation
• Impact of laser polarization on q-exponential photon tails in non-linear Compton scattering
• Non-perturbative signatures of non-linear Compton scattering
• Generation of quasi-monoenergetic positron beams in chirped laser fields
• Testing strong-field QED with the avalanche precursor
• Strong-field QED in Furry-picture momentum-space formulation: Ward identities and Feynman diagrams