Asymptotic symmetry and confinement in three-dimensional QED

概要

In recent years, the infrared structure of gravity and gauge theories has been intensively studied via asymptotic symmetries, which are genuine physical symmetries rather than mere redundancies. Despite this progress, few works have explored the connection between asymptotic symmetries and the confinement phenomenon. In this talk, we examine the asymptotic symmetries of three-dimensional quantum electrodynamics (QED₃) and show that, under the assumption of confinement, their action on asymptotic states becomes trivial. This talk is based on Phys. Rev. D 112, 105001 (2025) [arXiv:2503.20173].

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