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  Hidden Conformal Symmetry in Tree-Level Graviton Scattering

Loebbert, F., Mojaza, M., & Plefka, J. (2018). Hidden Conformal Symmetry in Tree-Level Graviton Scattering. Journal of High Energy Physics, 2018(05): 208. doi:10.1007/JHEP05(2018)208.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-B0E5-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F6A3-0
Genre: Journal Article

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 Creators:
Loebbert, Florian, Author
Mojaza, Matin1, Author              
Plefka, Jan, 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,Mathematical Physics, math-ph,Mathematics, Mathematical Physics, math.MP
 Abstract: We argue that the scattering of gravitons in ordinary Einstein gravity possesses a hidden conformal symmetry at tree level in any number of dimensions. The presence of this conformal symmetry is indicated by the dilaton soft theorem in string theory, and it is reminiscent of the conformal invariance of gluon tree-level amplitudes in four dimensions. To motivate the underlying prescription, we demonstrate that formulating the conformal symmetry of gluon amplitudes in terms of momenta and polarization vectors requires manifest reversal and cyclic symmetry. Similarly, our formulation of the conformal symmetry of graviton amplitudes relies on a manifestly permutation symmetric form of the amplitude function.

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 Dates: 2018-02-1620182018
 Publication Status: Published in print
 Pages: 35 pages, 3 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1802.05999
URI: http://arxiv.org/abs/1802.05999
DOI: 10.1007/JHEP05(2018)208
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2018 (05) Sequence Number: 208 Start / End Page: - Identifier: -