What question did this study set out to answer?

This study investigates the emission of soft photons during the scattering of dressed states in quantum electrodynamics (QED).

Subleading soft radiation during scattering of dressed states in QED

View Full Paper

Ask AI

Bookmark

Authors

Randomized trial reveals suppression of soft photon emissions in dressed states, indicating infrared regulations.

This study investigates the emission of soft photons during the scattering of dressed states in quantum electrodynamics (QED).
Employs perturbation theory to analyze soft photon emission.
Corrects dressing functions to subleading order in soft momentum expansion.
Examines the behavior of elastic amplitudes for infrared finiteness.
Emission of additional soft photons with energy below characteristic scale E_d is completely suppressed.
Elastic amplitudes are shown to be infrared-finite in perturbation theory.
Dressing functions act as an effective infrared cutoff for the S-matrix.

Christodoulou et al. (2026) studied this question.

View Full Paper

Ask AI

Bookmark