Efeitos da forma do pulso no espalhamento Thomson não linear

Abstract

Ever since the advent of laser technology in the 60s, the Quantum-Classical frontier has continuously drawn much attention from experts in diverse areas of human knowledge. Nonlinear Compton scattering, and its low energy equivalent, nonlinear Thomson scattering, are characteristic phenomena in this regime that describe the emission of a photon as result of the interaction between an electron and a high intensity electromagnetic pulse of short duration. In this work, we study the influence of the pulse shape on the frequency spectrum and transition probability of the emmited photon through a hybrid formalism between Quantum Field Theory and Classical Electrodynamics. We observe displacements of the harmonic frequency lines and the appearance of unique ressonance patterns for the different effective duractions and shapes of the pulses, which heavily imply the effectiveness of modulation on these optical beams in order to create different experimental scenarios on atomic spectroscopy and particle physics as a whole.