Inelastic black hole scattering from charged scalar amplitudes

By A. Luna, Isobel Nicholson, D. O’Connell, Chris D. White. Journal of High Energy Physics, 2017

179 citations recorded by the source corpus.

We explain how the lowest-order classical gravitational radiation produced during the inelastic scattering of two Schwarzschild black holes in General Relativity can be obtained from a tree scattering amplitude in gauge theory coupled to scalar fields. The gauge calculation is related to gravity through the double copy. We remove unwanted scalar forces which can occur in the double copy by introducing a massless scalar in the gauge theory, which is treated as a ghost in the link to gravity. We hope these methods are a step towards a direct application of the double copy at higher orders in classical perturbation theory, with the potential to greatly streamline gravity calculations for phenomenological applications.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/11163a16120de956f0412ca5b425c888103b1da7

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. Alexander Ochirov
2. H. Johansson
3. Rafael A. Porto
4. G. Kalin
5. D. O’Connell

In Nuclear and High Energy Physics

1. Alexander Ochirov
2. H. Johansson
3. D. O’Connell
4. R. Monteiro
5. A. Luna
6. Rafael A. Porto
7. Chris D. White
8. G. Kalin

Citations in the corpus

• Double copy for massive quantum particles with spin (2019, background): “t the unwanted states from the double copy [9]. Alternatively, one can resort to computing the much simpler Feynman diagrams that involve the undesired scalars, and subtract them from the double copy [54]. The latter approach resembles the ghost prescription at loop level, but is still unclear if it”