activity
20032026
most citedExtremely high-intensity laser interactions with fundamental quantum systems

1.7k citations · 4.7k across the 67 of their papers we have counts for

collaborators

68 papers

hep-ph2026

Renormalized perturbation theory in an intense background electromagnetic field

Misha A. Lopez-Lopez, Giulio Audagnotto, Antonino Di Piazza

Quantum electrodynamics in strong background electromagnetic fields or strong-field QED (SFQED) has been investigated in great detail at the tree level. The study of SFQED at highe…

hep-ph2026

Enhancement of nonlinear pair production in a flying-focus pulse

Md Reshad Ur Rahman, Martin S. Formanek, Elias Gerstmayr +3

A photon can decay into an electron-positron pair in the presence of an intense laser pulse by a process known as nonlinear Breit-Wheeler pair production (NBWPP). For a sufficientl…

physics.optics2026

Experimental demonstration of Flying-Focus enhanced Thomson scattering

E. Gerstmayr, C. Mariani, R. Fitzgarrald +23

We report the experimental demonstration of a spatiotemporally engineered "Flying-Focus" laser pulse for enhanced x-ray generation in relativistic Thomson scattering. A combination…

hep-ph2026

Infrared behavior of the photon yield in nonlinear Compton scattering

Antonino Di Piazza, Giulio Audagnotto

Nonlinear Compton scattering is the process of emission of a single photon by a charge driven by an intense laser field. Here, we study the infrared behavior of the photon yield em…

hep-ph2026

Intrinsic Nonlocality of Spin- and Polarization-Resolved Probabilities in Strong-Field Quantum Electrodynamics

Samuele Montefiori, Antonino Di Piazza, Tobias Podszus +2

Spin and polarization are central to precision tests of fundamental physics and for interpreting radiation from astrophysical sources and ultraintense laser-matter experiments. Her…

hep-ph2024★ 10 cited

Observation of quantum effects on radiation reaction in strong fields

Eva E. Los, Elias Gerstmayr, Christopher Arran +28

Radiation reaction, the force experienced by an accelerated charge due to radiation emission, has long been the subject of extensive theoretical and experimental research. Experime…

quant-ph2024

Superluminal matter waves

J. P. Palastro, D. Ramsey, M. Formanek +2

The Dirac equation has resided among the greatest successes of modern physics since its emergence as the first quantum mechanical theory fully compatible with special relativity. T…

gr-qc2024★ 2 cited

Dynamics, quantum states and Compton scattering in nonlinear gravitational waves

Giulio Audagnotto, Antonino Di Piazza

The classical dynamics and the construction of quantum states in a plane wave curved spacetime are examined, paying particular attention to the similarities with the case of an ele…

quant-ph2023★ 5 cited

Production of entangled x rays through nonlinear double Compton scattering

T. D. C. de Vos, J. J. Postema, B. H. Schaap +2

An accessible tabletop source for the production of entangled x rays is crucial for the field of high-energy quantum optics. Here, we present a detailed analysis of the entanglemen…

physics.acc-ph2023

Commissioning and first measurements of the initial X-ray and γ-ray detectors at FACET-II

P. San Miguel Claveria, D. Storey, G. J. Cao +21

The upgraded Facility for Advanced Accelerator Experimental Tests (FACET-II) at SLAC National Accelerator Laboratory has been designed to deliver ultra-relativistic electron and po…

hep-ph2023★ 20 cited

Signatures of vacuum birefringence in low-power flying focus pulses

Martin Formanek, John P. Palastro, Dillon Ramsey +2

Vacuum birefringence produces a differential phase between orthogonally polarized components of a weak electromagnetic probe in the presence of a strong electromagnetic field. Desp…

physics.plasm-ph2023★ 4 cited

Effect of interparticle fields and radiation reaction on beam dynamics

Michael J. Quin, Antonino Di Piazza, Christoph H. Keitel +1

The dynamics of relativistic particles in an intense electromagnetic field can be described by the Landau-Lifshitz (LL) equation, where the adiation reaction (RR) is accounted for…

hep-ph2023★ 9 cited

Emission of twisted photons by a scalar charged particle in a strong magnetic field

D. Karlovets, A. Di Piazza

We consider the emission of a photon by a scalar charged particle in a constant and uniform magnetic field. In contrast to the conventional approach with both photon and outgoing c…

physics.plasm-ph2023★ 10 cited

Charged particle beam transport in a flying focus pulse with orbital angular momentum

Martin Formanek, John P. Palastro, Marija Vranic +2

We demonstrate the capability of Flying Focus (FF) laser pulses with orbital angular momentum (OAM) to transversely confine ultra-relativistic charged particle bunches o…

physics.plasm-ph2022★ 17 cited

Strong signature of one-loop self-energy in polarization resolved nonlinear Compton scattering

Yan-Fei Li, Yue-Yue Chen, K. Z. Hatsagortsyan +3

The polarization dynamics of electrons including multiple nonlinear Compton scattering during the interaction of a circularly-polarized ultraintense laser pulse with a counterpropa…

physics.optics2022★ 34 cited

Exact solutions for the electromagnetic fields of a flying focus

D. Ramsey, A. Di Piazza, M. Formanek +10

The intensity peak of a "flying focus" travels at a programmable velocity over many Rayleigh ranges while maintaining a near-constant profile. Assessing the extent to which these f…

hep-ph2022★ 7 cited

Proportionality of gravitational and electromagnetic radiation by an electron in an intense plane wave

G. Audagnotto, C. H. Keitel, A. Di Piazza

Accelerated charges emit both electromagnetic and gravitational radiation. Classically, it was found that the electromagnetic energy spectrum radiated by an electron in a monochrom…

hep-ph2022★ 15 cited

Nonlinear Compton scattering and nonlinear Breit-Wheeler pair production including the damping of particle states

Tobias Podszus, Victor Dinu, Antonino Di Piazza

In the presence of an electromagnetic background plane-wave field, electron, positron, and photon states are not stable, because electrons and positrons emit photons and photons de…

hep-ph2022★ 9 cited

Stimulated vacuum emission and photon absorption in strong electromagnetic fields

I. A. Aleksandrov, A. Di Piazza, G. Plunien +1

According to quantum electrodynamics (QED), a strong external field can make the vacuum state decay producing electron-positron pairs. Here we investigate emission of soft photons…

hep-ph2022★ 7 cited

Quasiclassical representation of the Volkov propagator and the tadpole diagram in a plane wave

A. Di Piazza, F. P. Fronimos

The solution of the Dirac equation in the presence of an arbitrary plane wave, corresponding to the so-called Volkov states, has provided an enormous insight in strong-field QED. I…

physics.plasm-ph2021★ 37 cited

Nonlinear Thomson scattering with ponderomotive control

D. Ramsey, B. Malaca, A. Di Piazza +7

In nonlinear Thomson scattering, a relativistic electron reflects and re-radiates the photons of a laser pulse, converting optical light to x rays or beyond. While this extreme fre…

hep-ph2021

Radiation Reaction Enhancement in Flying Focus Pulses

Martin Formanek, Dillon Ramsey, John P. Palastro +1

Radiation reaction (RR) is the oldest still-unsolved problem in electrodynamics. In addition to conceptual difficulties in its theoretical formulation, the requirement of exceeding…

hep-ex2021★ 33 cited

Single Particle Detection System for Strong-Field QED Experiments

F. C. Salgado, N. Cavanagh, M. Tamburini +23

Measuring signatures of strong-field quantum electrodynamics (SF-QED) processes in an intense laser field is an experimental challenge: it requires detectors to be highly sensitive…

hep-ph2021★ 26 cited

WKB Electron Wave Functions in a Tightly Focused Laser Beam

A. Di Piazza

Available laser technology is opening the possibility of testing QED experimentally in the so-called strong-field regime. This calls for developing theoretical tools to investigate…