Conserved asymptotic charges for any massless particle

Kevin Nguyen; Peter West

doi:10.1142/S0217751X22502086

Conserved asymptotic charges for any massless particle

Kevin Nguyen^*, Peter West

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (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 language	English
Article number	2250208
Journal	International Journal of Modern Physics A
Volume	37
Issue number	36
DOIs	https://doi.org/10.1142/S0217751X22502086
Publication status	Published - 30 Dec 2022

Keywords

Asymptotic symmetries
conserved charges
covariant phase-space formalism
massless fields

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10.1142/S0217751X22502086

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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.",

keywords = "Asymptotic symmetries, conserved charges, covariant phase-space formalism, massless fields",

author = "Kevin Nguyen and Peter West",

note = "Funding Information: Acknowledgments We would like to thank the STFC, Grant Numbers ST/P000258/1 and ST/ T000759/1, for support. We would like to thank Glenn Barnich for helpful discussions and comments on the paper. Publisher Copyright: {\textcopyright} 2022 World Scientific Publishing Company.",

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AU - West, Peter

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N2 - 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.

AB - 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.

KW - Asymptotic symmetries

KW - conserved charges

KW - covariant phase-space formalism

KW - massless fields

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DO - 10.1142/S0217751X22502086

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SN - 0217-751X

VL - 37

JO - International Journal of Modern Physics A

JF - International Journal of Modern Physics A

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M1 - 2250208

ER -

Conserved asymptotic charges for any massless particle

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Keywords

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