Pair production: the view from the lightfront

Abstract

We give an exact, analytic, and manifestly gauge invariant account of pair production in combined longitudinal and transverse electromagnetic fields, both depending arbitrarily on lightfront time. The instantaneous, nonperturbative probability of pair creation is given explicitly along with the spectra of the final particle yield. Our results are relevant to high-intensity QED experiments now being planned for future optical and x-ray free electron lasers.

14 pages, 8 figures

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• Polarization operator approach to pair creation in short laser pulses
• Dynamical Schwinger process in a bifrequent electric field of finite duration: survey on amplification
• Polarization operator for plane-wave background fields
• Comparison of semiclassical and Wigner function methods in pair production in rotating fields
• Sauter-Schwinger effect for colliding laser pulses
• Semiclassical pair production rate for rotating electric fields
• High-Energy Recollision Processes of Laser-Generated Electron-Positron Pairs
• Collisional strong-field QED kinetic equations from first principles
• WKB approach to pair creation in spacetime-dependent fields
• The inverse problem for Schwinger pair production
• Inverse approach to solutions of the Dirac equation for space-time dependent fields
• Stability of electromagnetic solitons]{Electromagnetic solitons and their stability in relativistic degenerate dense plasmas with two electron species
• Generalized quantum Vlasov equation for particle creation and unitary dynamics
• The current density in quantum electrodynamics in time-dependent external potentials and the Schwinger effect
• Relativistic dynamics of charmonia in strong magnetic fields
• Electric and magnetic axion quark nuggets, their stability and their detection
• Condensed-matter analogs of the Sauter--Schwinger effect
• Computational quantum field theory for fermion pair creation in 2-dimensional curved spacetimes
• Electron-Positron Pair Production in Structured Pulses of Electric Fields