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BRST Symmetry and the Convolutional Double Copy

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arxiv 2208.06903 v1 pith:6EA6C6QL submitted 2022-08-14 hep-th gr-qc

Mahdi Godazgar , C.N. Pope , A. Saha , Haoyu Zhang This is my paper · ORCID
classification hep-thgr-qc
keywords brstanti-brstblackconvolutionalcopydoublelinearisedtheories
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abstract

Motivated by the results of Anastasiou et al., we consider the convolutional double copy for BRST and anti-BRST covariant formulations of gravitational and gauge theories in more detail. We give a general BRST and anti-BRST invariant formulation of linearised $\mathcal{N}=0$ supergravity using superspace methods and show how this may be obtained from the square of linearised Yang-Mills theories. We demonstrate this relation for the Schwarzschild black hole and the ten-dimensional black string solution as two concrete examples.

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  1. The Double Copy of Maximal Supersymmetry in $D=4$

    hep-th 2025-01 conditional novelty 7.0 of 10

    N=8 supergravity to cubic order is realized as the off-shell double copy of N=4 super Yang-Mills, with N=8 supersymmetry and SU(8) R-symmetry emerging from the two gauge factors.

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