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The double copy is a much-studied relationship between gauge theory and gravity amplitudes. Recently, this was generalised to an infinite family of classical solutions to Einstein's equations, namely stationary Kerr–Schild geometries. In this paper, we extend this to the Taub–NUT solution in gravity, which has a double Kerr–Schild form. The single copy of this solution is a dyon, whose electric and magnetic charges are related to the mass and NUT charge in the gravity theory. Finally, we find hints that the classical double copy extends to curved background geometries.
|Number of pages||6|
|Journal||Physics Letters B|
|Early online date||14 Sep 2015|
|Publication status||Published - 12 Nov 2015|
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- 1 Finished
Nonplanar: Simplifying the non-planar sector of gauge theory.
1/10/14 → 30/09/18
- School of Physics and Astronomy - Personal Chair of Theoretical Particle Physics
Person: Academic: Research Active