Electron spin- and photon polarization-resolved probabilities of strong-field QED processes

Abstract

A derivation of fully polarization-resolved probabilities is provided for high-energy photon emission and electron-positron pair production in ultrastrong laser fields. The probabilities resolved in both electron spin and photon polarization of incoming and outgoing particles are indispensable for developing QED Monte Carlo and QED-Particle-in-Cell codes, aimed at the investigation of polarization effects in nonlinear QED processes in ultraintense laser-plasma and laser-electron beam interactions, and other nonlinear QED processes in external ultrastrong fields, which involve multiple elementary processes of a photon emission and pair production. The quantum operator method introduced by Baier and Katkov is employed for the calculation of probabilities within the quasiclassical approach and the local constant field approximation. The probabilities for the ultrarelativistic regime are given in a compact form and are suitable to describe polarization effects in strong laser fields of arbitrary configuration, rendering them very well suited for applications.

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Cited by in corpus (9)

• Advances in QED with intense background fields
• Electron polarization in ultrarelativistic plasma current filamentation instabilities
• Kinetic theory for spin-polarized relativistic plasmas
• Strong signature of one-loop self-energy in polarization resolved nonlinear Compton scattering
• Laser-driven lepton polarization in the quantum radiation-dominated reflection regime
• Generation of Ultrarelativistic Vortex Leptons with Large Orbital Angular Momenta
• Optimal photon polarization toward the observation of the nonlinear Breit-Wheeler pair production
• Plasma acceleration of polarized particle beams
• Intrinsic Nonlocality of Spin- and Polarization-Resolved Probabilities in Strong-Field Quantum Electrodynamics