Integrability of black hole orbits in maximal supergravity

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Publication:2317831

DOI10.1007/JHEP07(2019)179zbMATH Open1418.83068arXiv1810.04694MaRDI QIDQ2317831

Author name not available (Why is that?)

Publication date: 12 August 2019

Published in: (Search for Journal in Brave)

Abstract: We study the dynamics of a pair of extremal (half-BPS) black holes in mathcalN=8 supergravity, as a potentially solvable model of gravitational dynamics. As a diagnosis of hidden symmetries, we ask whether the perihelion of the orbits precesses over time. We consider black hole charge vectors with arbitrary misalignment. First, we use scattering amplitude methods to compute the leading post-Newtonian correction for general mass ratios. This computation is greatly simplified by introducing a suitable on-shell superspace. Second, we study the probe limit to all orders in velocity and Newton's constant through a ten-dimensional brane setup. In all cases we find no precession. We relate this to the absence of scalar triangle integrals.


Full work available at URL: https://arxiv.org/abs/1810.04694



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