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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Godazgar, M., Pope, C.N., Saha, A. et al. BRST symmetry and the convolutional double copy. J. High Energ. Phys. 2022, 38 (2022). https://doi.org/10.1007/JHEP11(2022)038
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DOI: https://doi.org/10.1007/JHEP11(2022)038