Coadjoint representation of the BMS group on celestial Riemann surfaces

Glenn Barnich; Romain Ruzziconi

doi:10.1007/JHEP06(2021)079

Coadjoint representation of the BMS group on celestial Riemann surfaces

Glenn Barnich
, Romain Ruzziconi

Université Libre de Bruxelles
Vienna University of Technology

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

52 Citations (Scopus)

Abstract

The coadjoint representation of the BMS group in four dimensions is constructed in a formulation that covers both the sphere and the punctured plane. The structure constants are worked out for different choices of bases. The conserved current algebra of non-radiative asymptotically flat spacetimes is explicitly interpreted in these terms.

Original language	English
Article number	79
Journal	Journal of High Energy Physics
Volume	2021
Issue number	6
DOIs	https://doi.org/10.1007/JHEP06(2021)079
Publication status	Published - 1 Jun 2021
Externally published	Yes

Keywords

Classical Theories of Gravity
Differential and Algebraic Geometry
Gauge-gravity correspondence
Space-Time Symmetries

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10.1007/JHEP06(2021)079

Cite this

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abstract = "The coadjoint representation of the BMS group in four dimensions is constructed in a formulation that covers both the sphere and the punctured plane. The structure constants are worked out for different choices of bases. The conserved current algebra of non-radiative asymptotically flat spacetimes is explicitly interpreted in these terms.",

keywords = "Classical Theories of Gravity, Differential and Algebraic Geometry, Gauge-gravity correspondence, Space-Time Symmetries",

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KW - Classical Theories of Gravity

KW - Differential and Algebraic Geometry

KW - Gauge-gravity correspondence

KW - Space-Time Symmetries

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JO - Journal of High Energy Physics

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Coadjoint representation of the BMS group on celestial Riemann surfaces

Abstract

Keywords

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