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Perturbative spacetimes from Yang-Mills theory

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Original languageEnglish
Journal Journal of High Energy Physics
DOIs
Publication statusPublished - 12 Apr 2017

Abstract

The double copy relates scattering amplitudes gauge and gravity theories. In this paper, we expand the scope of the double copy to construct spacetime metrics through a systematic perturbative expansion. The perturbative procedure is based on direct calculation in Yang-Mills theory, followed by squaring the numerator of certain perturbative diagrams as specified by the double-copy algorithm. The simplest spherically symmetric, stationary spacetime from the point of view of this procedure is a particular member of the Janis-Newman-Winicour family of naked singularities. Our work paves the way for applications of the double copy to physically interesting problems such as perturbative black-hole scattering.

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