The Fröhlich–Morchio–Strocchi Mechanism: An Underestimated Legacy

A Maas - Trails in Modern Theoretical and Mathematical Physics …, 2023 - Springer
There is an odd tension in electroweak physics. Perturbation theory is extremely successful.
At the same time, fundamental field theory gives manifold reasons why this should not be the …

Motivating Gauge-Invariant Approaches to Particle Physics

P Berghofer - arXiv preprint arXiv:2408.11705, 2024 - arxiv.org
There is noticeable consensus among physicists and philosophers that only gauge-invariant
quantities can be physically real. However, this insight that physical quantities must be …