Fundamental constants from photon-photon scattering in three-beam collisions

AJ Macleod, B King - Physical Review A, 2024 - APS
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 …

Numerical optimization of quantum vacuum signals

M Valialshchikov, F Karbstein, D Seipt, M Zepf - Physical Review D, 2024 - APS
The identification of prospective scenarios for observing quantum vacuum signals in high-
intensity laser experiments requires both accurate theoretical predictions and the …

Large quark mass Euler-Heisenberg type action for QCD with quark sources

IM Froldi, FL Braghin - arXiv preprint arXiv:2406.19918, 2024 - arxiv.org
The quark determinant in the presence of a background gluon field is calculated in a large
quark mass derivative expansion by considering quark sources. The resulting low-energy …

Computational modelling of the semi-classical quantum vacuum in 3D

Z Zhang, R Aboushelbaya, R Torres, T Grismayer… - 2024 - researchsquare.com
The commissioning of multi-Petawatt laser systems is gathering pace around the world,
promising unparalleled access to ultra-high electromagnetic fields for fundamental Physics …