BMS algebra from residual gauge invariance in light-cone gravity

Abstract We analyze the residual gauge freedom in gravity, in four dimensions, in the light-cone gauge, in a formulation where unphysical fields are integrated out. By checking the invariance of the light-cone Hamiltonian, we obtain a set of residual gauge transformations, which satisfy the BMS alge...

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Main Authors:	Sudarshan Ananth, Lars Brink, Sucheta Majumdar
Format:	article
Language:	EN
Published:	SpringerOpen 2021
Subjects:	Classical Theories of Gravity Gauge Symmetry Space-Time Symmetries Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
Online Access:	https://doaj.org/article/1557f5c5dc8e4238a1ec946b39b4ef0b
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spelling	oai:doaj.org-article:1557f5c5dc8e4238a1ec946b39b4ef0b2021-11-08T11:16:55ZBMS algebra from residual gauge invariance in light-cone gravity10.1007/JHEP11(2021)0081029-8479https://doaj.org/article/1557f5c5dc8e4238a1ec946b39b4ef0b2021-11-01T00:00:00Zhttps://doi.org/10.1007/JHEP11(2021)008https://doaj.org/toc/1029-8479Abstract We analyze the residual gauge freedom in gravity, in four dimensions, in the light-cone gauge, in a formulation where unphysical fields are integrated out. By checking the invariance of the light-cone Hamiltonian, we obtain a set of residual gauge transformations, which satisfy the BMS algebra realized on the two physical fields in the theory. Hence, the BMS algebra appears as a consequence of residual gauge invariance in the bulk and not just at the asymptotic boundary. We highlight the key features of the light-cone BMS algebra and discuss its connection with the quadratic form structure of the Hamiltonian.Sudarshan AnanthLars BrinkSucheta MajumdarSpringerOpenarticleClassical Theories of GravityGauge SymmetrySpace-Time SymmetriesNuclear and particle physics. Atomic energy. RadioactivityQC770-798ENJournal of High Energy Physics, Vol 2021, Iss 11, Pp 1-18 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Classical Theories of Gravity Gauge Symmetry Space-Time Symmetries Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
spellingShingle	Classical Theories of Gravity Gauge Symmetry Space-Time Symmetries Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Sudarshan Ananth Lars Brink Sucheta Majumdar BMS algebra from residual gauge invariance in light-cone gravity
description	Abstract We analyze the residual gauge freedom in gravity, in four dimensions, in the light-cone gauge, in a formulation where unphysical fields are integrated out. By checking the invariance of the light-cone Hamiltonian, we obtain a set of residual gauge transformations, which satisfy the BMS algebra realized on the two physical fields in the theory. Hence, the BMS algebra appears as a consequence of residual gauge invariance in the bulk and not just at the asymptotic boundary. We highlight the key features of the light-cone BMS algebra and discuss its connection with the quadratic form structure of the Hamiltonian.
format	article
author	Sudarshan Ananth Lars Brink Sucheta Majumdar
author_facet	Sudarshan Ananth Lars Brink Sucheta Majumdar
author_sort	Sudarshan Ananth
title	BMS algebra from residual gauge invariance in light-cone gravity
title_short	BMS algebra from residual gauge invariance in light-cone gravity
title_full	BMS algebra from residual gauge invariance in light-cone gravity
title_fullStr	BMS algebra from residual gauge invariance in light-cone gravity
title_full_unstemmed	BMS algebra from residual gauge invariance in light-cone gravity
title_sort	bms algebra from residual gauge invariance in light-cone gravity
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/1557f5c5dc8e4238a1ec946b39b4ef0b
work_keys_str_mv	AT sudarshanananth bmsalgebrafromresidualgaugeinvarianceinlightconegravity AT larsbrink bmsalgebrafromresidualgaugeinvarianceinlightconegravity AT suchetamajumdar bmsalgebrafromresidualgaugeinvarianceinlightconegravity
_version_	1718442209948205056

BMS algebra from residual gauge invariance in light-cone gravity

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