Measuring Vacuum Polarisation with High Power Lasers
B. King, T. Heinzl
TL;DR
This paper reviews experimental signatures for detecting vacuum polarisation effects predicted by quantum electrodynamics using high power lasers, aiming to guide upcoming experiments in observing photon-photon scattering.
Contribution
It provides an overview of proposed experimental signatures for measuring vacuum polarisation effects with high power lasers, supporting planned quantum electrodynamics tests.
Findings
Identification of key experimental signatures for vacuum polarisation
Analysis of feasibility for planned high power laser experiments
Guidance for future photon-photon scattering measurements
Abstract
When exposed to intense electromagnetic fields, the quantum vacuum is expected to exhibit properties of a polarisable medium akin to a weakly nonlinear dielectric material. Various schemes have been proposed to measure such vacuum polarisation effects using a combination of high power lasers. Motivated by several planned experiments, we provide an overview of experimental signatures that have been suggested to confirm this prediction of quantum electrodynamics of real photon-photon scattering.
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