Graviton Amplitudes from Collinear Limits of Gauge Amplitudes
arXiv:1502.00655 · doi:10.1016/j.physletb.2015.03.053
Abstract
We express all tree-level graviton amplitudes in Einstein's gravity as the collinear limits of a linear combination of pure Yang-Mills amplitudes in which each graviton is represented by two gauge bosons, each of them carrying exactly one half of graviton's momentum and helicity.
arXiv comment7 pages, harvmac
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- Extracting Bigravity from String Theory
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- All rational one-loop Einstein-Yang-Mills amplitudes at four points
- Direct Evaluation of -point single-trace MHV amplitudes in 4d Einstein-Yang-Mills theory using the CHY Formalism
- Multi-Soft gluon limits and extended current algebras at null-infinity
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