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Review

Primer of Strong-Field Quantum Electrodynamics for Experimentalists

by
Annabel Kropf
1,* and
Ivo Schulthess
1,2,*
1
Deutsches Elektronen-Synchrotron DESY, 22603 Hamburg, Germany
2
Institute for Particle Physics and Astrophysics, Eidgenössische Technische Hochschule Zürich (ETH Zurich), 8093 Zurich, Switzerland
*
Authors to whom correspondence should be addressed.
Physics 2026, 8(1), 26; https://doi.org/10.3390/physics8010026
Submission received: 28 November 2025 / Revised: 6 January 2026 / Accepted: 7 January 2026 / Published: 2 March 2026
(This article belongs to the Section High Energy Physics)

Abstract

This review serves as a conceptual and practical introduction to strong-field quantum electrodynamics (SFQED), written from the standpoint of experimental physicists. Rather than providing a comprehensive theoretical review, the paper focuses on the core ideas, terminology, and challenges in SFQED that are most relevant to experimental design and interpretation. The review serves as a first point of contact with the subject, bridging the gap between foundational theory and hands-on experimental investigations, and complementing more formal literature in the field.
Keywords: quantum electrodynamics (QED); strong-field QED; nonperturbative QED; nonlinear Compton scattering; nonlinear Breit–Wheeler pair production; Furry picture; high-intensity laser–matter interactions quantum electrodynamics (QED); strong-field QED; nonperturbative QED; nonlinear Compton scattering; nonlinear Breit–Wheeler pair production; Furry picture; high-intensity laser–matter interactions

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MDPI and ACS Style

Kropf, A.; Schulthess, I. Primer of Strong-Field Quantum Electrodynamics for Experimentalists. Physics 2026, 8, 26. https://doi.org/10.3390/physics8010026

AMA Style

Kropf A, Schulthess I. Primer of Strong-Field Quantum Electrodynamics for Experimentalists. Physics. 2026; 8(1):26. https://doi.org/10.3390/physics8010026

Chicago/Turabian Style

Kropf, Annabel, and Ivo Schulthess. 2026. "Primer of Strong-Field Quantum Electrodynamics for Experimentalists" Physics 8, no. 1: 26. https://doi.org/10.3390/physics8010026

APA Style

Kropf, A., & Schulthess, I. (2026). Primer of Strong-Field Quantum Electrodynamics for Experimentalists. Physics, 8(1), 26. https://doi.org/10.3390/physics8010026

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