Double Soft Limit of Graviton Amplitude from the Cachazo-He-Yuan Formalism
arXiv:1702.02350 · doi:10.1103/PhysRevD.96.045002
Abstract
We present a complete analysis for double soft limit of graviton scattering amplitude using the formalism proposed by Cachazo, He and Yuan. Our results agree with that obtained via BCFW recursion relations in arXiv:1504.05558. In addition we find precise relations between degenerate and nondegenerate solutions of scattering equations with local and nonlocal terms in the soft factor.
10 pages v2: Title changed, abstract modified, references updated, published in PRD
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- Logarithmic Terms in the Soft Expansion in Four Dimensions
- Can scalars have asymptotic symmetries?
- The SAGEX Review on Scattering Amplitudes, Chapter 11: Soft Theorems and Celestial Amplitudes
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- Soft Theorems in Superstring Theory
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- Double Soft Graviton Theorems and BMS Symmetries
- Soft Theorems from Compactification
- Soft factors from classical scattering on the Reissner-Nordström spacetime
- Leading soft theorem for multiple gravitini
- One-loop integrand from generalised scattering equations
- Double Soft Theorem for Generalised Biadjoint Scalar Amplitudes
- Leading multi-soft limits from scattering equations
- Gravitational Scattering in the High-Energy Limit