Abstract
In this paper, we study self-dual gravity in the Newman-Penrose formalism. We specify the self-dual solution space from the Newman-Unti solutions. We show that the asymptotic symmetries of the self-dual gravity are still the (extended) BMS symmetries. We transform the self-dual Taub-NUT solution into the Newman-Unti gauge in analytical form.
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Mao, P., Zhao, W. Notes on self-dual gravity. J. High Energ. Phys. 2022, 81 (2022). https://doi.org/10.1007/JHEP06(2022)081
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DOI: https://doi.org/10.1007/JHEP06(2022)081