Conserved asymptotic charges for any massless particle

Kevin Nguyen*, Peter West

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We compute the conserved charges associated with the asymptotic symmetries of massless particles by examining their free theory in Minkowski space-time. We give a procedure to systematically deduce the fall off of the massless fields at spatial infinity and show that it has a universal behavior when expressed in tangent space. We do this for generic massless particles. We do not impose gauge fixing conditions, which will allow us to uncover new nonzero charges for the graviton beyond the well-known supertranslation charges. We also compute conserved charges in the dual formulations of certain low-spin particles and argue that this leads to an infinite number of new conserved charges.

Original languageEnglish
Article number2250208
JournalInternational Journal of Modern Physics A
Volume37
Issue number36
DOIs
Publication statusPublished - 30 Dec 2022

Keywords

  • Asymptotic symmetries
  • conserved charges
  • covariant phase-space formalism
  • massless fields

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