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  Hamiltonian derivation of dual gravitational charges

Godazgar, H., Godazgar, M., & Perry, M. J. (2020). Hamiltonian derivation of dual gravitational charges. Journal of High Energy Physics, 2020(9): 84. doi:10.1007/JHEP09(2020)084.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-CDFA-A Version Permalink: http://hdl.handle.net/21.11116/0000-0007-0FCC-4
Genre: Journal Article

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 Creators:
Godazgar, Hadi1, Author              
Godazgar, Mahdi, Author
Perry, Malcolm J., 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,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We provide a Hamiltonian derivation of recently discovered dual BMS charges. In order to do so, we work in the first order formalism and add to the usual Palatini action, the Holst term, which does not contribute to the equations of motion. We give a method for finding the leading order integrable dual charges \`a la Wald-Zoupas and construct the corresponding charge algebra. We argue that in the presence of fermions, the relevant term that leads to dual charges is the topological Nieh-Yan term.

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 Dates: 2020-07-142020-07-202020
 Publication Status: Published in print
 Pages: 39 pages
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 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2007.07144
URI: http://arxiv.org/abs/2007.07144
DOI: 10.1007/JHEP09(2020)084
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2020 (9) Sequence Number: 84 Start / End Page: - Identifier: -