Upcoming and planned experiments combining increasingly intense lasers and energetic
particle beams will access new regimes of nonlinear, relativistic, quantum effects. This …

Report on progress in physics: observation of the Breit–Wheeler process and vacuum
birefringence in heavy-ion collisions - IOPscience Skip to content IOP Science home …

Various fundamental-physics experiments such as measurement of the magnetic
birefringence of the vacuum, searches for ultralight dark-matter particles (eg, axions), and …

Exploring vacuum birefringence with the station of extreme light at Shanghai Coherent Light
Facility is considered. Laser pulses of intensity beyond 10 23 W cm− 2 are capable of …

When exposed to intense electromagnetic fields, the quantum vacuum is expected to exhibit
properties of a polarizable medium akin to a weakly nonlinear dielectric material. Various …

Quantum field theory predicts that the vacuum exhibits a nonlinear response to strong
electromagnetic fields. This fundamental tenet has remained experimentally challenging …

These notes provide a pedagogical introduction to the theoretical study of vacuum
polarization effects in strong electromagnetic fields as provided by state-of-the-art high …

We study the feasibility of measuring vacuum birefringence by probing the focus of a high-
intensity optical laser with an x-ray free electron laser (XFEL). This amounts to performing a …

A bstract We study the effective interactions of external electromagnetic fields induced by
fluctuations of virtual particles in the vacuum of quantum electrodynamics. Our main focus is …

Direct measurement of the elastic scattering of real photons on an electromagnetic field
would allow the fundamental low-energy constants of quantum electrodynamics to be …