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  Extended Super BMS Algebra of Celestial CFT

Fotopoulos, A., Stieberger, S., Taylor, T. R., & Zhu, B. (2020). Extended Super BMS Algebra of Celestial CFT. Journal of High Energy Physics, 2009, 198. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-209.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-1B9D-A Version Permalink: https://hdl.handle.net/21.11116/0000-0008-1B9E-9
Genre: Journal Article

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https://arxiv.org/pdf/2007.03785 (Any fulltext)
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 Creators:
Fotopoulos, Angelos1, Author
Stieberger, Stephan1, Author
Taylor, Tomasz R.1, Author
Zhu, Bin1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: Field Theory
 Abstract: We study two-dimensional celestial conformal field theory describing four-dimensional N=1 supergravity/Yang-Mills systems and show that the underlying symmetry is a supersymmetric generalization of BMS symmetry. We construct fermionic conformal primary wave functions and show how they are related via supersymmetry to their bosonic partners. We use soft and collinear theorems of supersymmetric Einstein-Yang-Mills theory to derive the OPEs of the operators associated to massless particles. The bosonic and fermionic soft theorems are shown to form a sequence under supersymmetric Ward identities. In analogy with the energy momentum tensor, the supercurrents are shadow transforms of soft gravitino operators and generate an infinite-dimensional supersymmetry algebra. The algebra of $\mathfrak{bms_4}$ generators agrees with the expectations based on earlier work on the asymptotic symmetry group of supergravity. We also show that the supertranslation operator can be written as a product of holomorphic and anti-holomorphic supercurrents.

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 Dates: 2020
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: MPP-2020-209
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-209
arXiv: arxiv:2007.03785
URI: https://inspirehep.net/literature?q=find%20eprint%202007.03785
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Title: Journal of High Energy Physics
  Abbreviation : JHEP
Source Genre: Journal
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Pages: - Volume / Issue: 2009 Sequence Number: - Start / End Page: 198 Identifier: -