Photon-photon interaction in structured QED vacuum
High Energy Physics - Phenomenology
2014-01-30 v1 Quantum Physics
Abstract
In spatially structured strong laser fields, quantum electrodynamical vacuum behaves like a nonlinear Kerr medium with modulated third-order susceptibility where new coherent nonlinear effects arise due to modulation. We consider the enhancement of vacuum polarization and magnetization via coherent spatial vacuum effects in the photon-photon interaction process during scattering of a probe laser beam on parallel focused laser beams. Both processes of elastic and inelastic four wave-mixing in structured QED vacuum accompanied with Bragg interference are investigated. The phase-matching conditions and coherent effects in the presence of Bragg grating are analyzed for photon-photon scattering.
Cite
@article{arxiv.1205.3354,
title = {Photon-photon interaction in structured QED vacuum},
author = {K. Z. Hatsagortsyan and G. Yu. Kryuchkyan},
journal= {arXiv preprint arXiv:1205.3354},
year = {2014}
}