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 …

Radiation by a laser-driven flying-focus electron wave packet

A Di Piazza, M Formanek, D Ramsey, JP Palastro - Physical Review D, 2024 - APS
An exact solution of the Dirac equation in the presence of an arbitrary electromagnetic plane
wave is found, which corresponds to a focused electron wave packet, with the focus of the …

Dephasingless two-color terahertz generation

TT Simpson, JJ Pigeon, KG Miller, D Ramsey… - Scientific Reports, 2024 - nature.com
A laser pulse composed of a fundamental and an appropriately phased second harmonic
can drive a time-dependent current of photoionized electrons that generates broadband THz …

Phase transition analogs in laser collisions with a dark-field setup

H Gies, F Karbstein, L Maiwald - Physical Review D, 2025 - APS
Laser pulse collisions are a promising tool for the investigation of light-by-light scattering
phenomena induced by quantum vacuum fluctuations. Using the numerical code based on …

Spatiotemporal control of high-intensity laser pulses with a plasma lens

D Li, KG Miller, JR Pierce, WB Mori, AGR Thomas… - Physical Review …, 2024 - APS
Spatiotemporal control encompasses a variety of techniques for producing laser pulses with
dynamic intensity peaks that move independently of the group velocity. This controlled …

Scattering with depletion in strong, focussed fields

T Adamo, A Ilderton - arxiv preprint arxiv:2501.06109, 2025 - arxiv.org
Theoretical approaches to QED scattering in strong fields typically treat the field as a fixed
background with simple spacetime dependence, such as a plane wave. Two major …

Enhanced quantum radiation with flying-focus laser pulses

MS Formanek, JP Palastro, D Ramsey… - arxiv preprint arxiv …, 2025 - arxiv.org
The emission of a photon by an electron in an intense laser field is one of the most
fundamental processes in electrodynamics and underlies the many applications that utilize …

Letter of Intent: Towards a Vacuum Birefringence Experiment at the Helmholtz International Beamline for Extreme Fields

N Ahmadiniaz, C Bähtz, A Benediktovitch… - arxiv preprint arxiv …, 2024 - arxiv.org
Quantum field theory predicts a nonlinear response of the vacuum to strong electromagnetic
fields of macroscopic extent. This fundamental tenet has remained experimentally …

Laser wakefield acceleration of ions with a transverse flying focus

Z Gong, S Cao, JP Palastro, MR Edwards - arxiv preprint arxiv …, 2024 - arxiv.org
The extreme electric fields created in high-intensity laser-plasma interactions could generate
energetic ions far more compactly than traditional accelerators. Despite this promise, laser …

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 …