Renormalization of conformal infinity as a stretched horizon

A Riello, L Freidel - Classical and Quantum Gravity, 2024 - iopscience.iop.org
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Infinite-dimensional hierarchy of recursive extensions for all subn-leading soft effects in Yang-Mills

S Nagy, J Peraza, G Pizzolo - Journal of High Energy Physics, 2024 - Springer
A bstract Building on our proposal in [1], we present in detail the construction of the
extended phase space for Yang-Mills at null infinity, containing the asymptotic symmetries …

Double-copy supertranslations

P Ferrero, D Francia, C Heissenberg, M Romoli - Physical Review D, 2024 - APS
In the framework of the convolutional double copy, we investigate the asymptotic symmetries
of the gravitational multiplet stemming from the residual symmetries of its single-copy …

A note on the asymptotic symmetries of electromagnetism

O Fuentealba, M Henneaux, C Troessaert - Journal of High Energy Physics, 2023 - Springer
A bstract We extend the asymptotic symmetries of electromagnetism in order to consistently
include angle-dependent u (1) gauge transformations ϵ that involve terms growing at spatial …

Gravitational Poisson brackets at null infinity compatible with smooth superrotations

M Campiglia, A Sudhakar - Journal of High Energy Physics, 2024 - Springer
A bstract Superrotations are local extensions of the Lorentz group at null infinity that have
been argued to be symmetries of gravitational scattering. In their smooth version, they can …

Carrollian Partition Functions and the Flat Limit of AdS

P Kraus, RM Myers - arXiv preprint arXiv:2407.13668, 2024 - arxiv.org
The formulation of the S-matrix as a path integral with specified asymptotic boundary
conditions naturally leads to the realization of a Carrollian partition function defined on the …

Asymptotic (r) gauge symmetries and gauge-invariant Poincaré generators in higher spacetime dimensions

O Fuentealba - Journal of High Energy Physics, 2023 - Springer
A bstract The asymptotic symmetries of electromagnetism in all higher spacetime
dimensions d> 4 are extended, by incorporating consistently angle-dependent u (1) gauge …

(rN) two-form asymptotic symmetries and renormalized charges

M Romoli - Journal of High Energy Physics, 2024 - Springer
A bstract We investigate\(\mathcal {O}\)(r N) asymptotic symmetries for a two-form gauge
field in four-dimensional Minkowski spacetime. By employing symplectic renormalization, we …

The Classical Super-Rotation Infrared Triangle

S Choi, A Laddha, A Puhm - arXiv preprint arXiv:2412.16142, 2024 - arxiv.org
The universality of gravitational scattering at low energies and large distances encoded in
soft theorems and memory effects can be understood from symmetries. In four-dimensional …

Asymptotic Symmetries for Logarithmic Soft Theorems in Gauge Theory and Gravity

S Choi, A Laddha, A Puhm - arXiv preprint arXiv:2403.13053, 2024 - arxiv.org
Gauge theories and perturbative gravity in four dimensions are governed by a tower of
infinite-dimensional symmetries which arise from tree-level soft theorems. However, aside …