Asymptotic Higher Spin Symmetries II: Noether Realization in Gravity

Fuente: arXiv
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Auteurs principaux: Cresto, Nicolas, Freidel, Laurent
Format: Preprint
Publié: 2024
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author Cresto, Nicolas
Freidel, Laurent
author_facet Cresto, Nicolas
Freidel, Laurent
contents In this paper we construct a non-perturbative action of the higher spin symmetry algebra on the gravitational phase space. We introduce a symmetry algebroid $\mathcal{T}$ which allows us to include radiation in an algebraic framework. We show that $\mathcal{T}$ admits a non-linear realization on the asymptotic phase space generated by a Noether charge defined non-perturbatively for all spins. Besides, this Noether charge is conserved in the absence of radiation. Moreover, at non radiative cuts, the algebroid can be restricted to the wedge symmetry algebra studied in ArXiv:2409.12178. The key ingredient for our construction is to consider field and time dependent symmetry parameters constrained to evolve according to equations of motion dual to (a truncation of) the asymptotic Einstein's equations. This result then guarantees that the underlying symmetry algebra is also represented canonically.
format Preprint
id arxiv_https___arxiv_org_abs_2410_15219
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Asymptotic Higher Spin Symmetries II: Noether Realization in Gravity
Cresto, Nicolas
Freidel, Laurent
High Energy Physics - Theory
General Relativity and Quantum Cosmology
Mathematical Physics
In this paper we construct a non-perturbative action of the higher spin symmetry algebra on the gravitational phase space. We introduce a symmetry algebroid $\mathcal{T}$ which allows us to include radiation in an algebraic framework. We show that $\mathcal{T}$ admits a non-linear realization on the asymptotic phase space generated by a Noether charge defined non-perturbatively for all spins. Besides, this Noether charge is conserved in the absence of radiation. Moreover, at non radiative cuts, the algebroid can be restricted to the wedge symmetry algebra studied in ArXiv:2409.12178. The key ingredient for our construction is to consider field and time dependent symmetry parameters constrained to evolve according to equations of motion dual to (a truncation of) the asymptotic Einstein's equations. This result then guarantees that the underlying symmetry algebra is also represented canonically.
title Asymptotic Higher Spin Symmetries II: Noether Realization in Gravity
topic High Energy Physics - Theory
General Relativity and Quantum Cosmology
Mathematical Physics
url https://arxiv.org/abs/2410.15219