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  Asymptotic symmetries of electromagnetism at spatial infinity

Henneaux, M., & Troessaert, C. (2018). Asymptotic symmetries of electromagnetism at spatial infinity. Journal of High Energy Physics, 2018(05): 137. doi:10.1007/JHEP05(2018)137.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-40A2-F Version Permalink: http://hdl.handle.net/21.11116/0000-0002-ED0C-7
Genre: Journal Article

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 Creators:
Henneaux , Marc, Author
Troessaert, Cédric1, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: We analyse the asymptotic symmetries of Maxwell theory at spatial infinity through the Hamiltonian formalism. Precise, consistent boundary conditions are explicitly given and shown to be invariant under asymptotic angle-dependent $u(1)$-gauge transformations. These symmetries generically have non-vanishing charges. The algebra of the canonical generators of this infinite-dimensional symmetry with the Poincar\'e charges is computed. The treatment requires the addition of surface degrees of freedom at infinity and a modification of the standard symplectic form by surface terms. We extend the general formulation of well-defined generators and Hamiltonian vector fields to encompass such boundary modifications of the symplectic structure. Our study covers magnetic monopoles.

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 Dates: 2018-03-2720182018
 Publication Status: Published in print
 Pages: 30 pages
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 Rev. Method: -
 Identifiers: arXiv: 1803.10194
URI: http://arxiv.org/abs/1803.10194
DOI: 10.1007/JHEP05(2018)137
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2018 (05) Sequence Number: 137 Start / End Page: - Identifier: -