Diagrammar in an extended theory of gravity

2017/02/28 by David C. Dunbar, John H. Godwin, Guy R. Jehu +1 · 6 citations
Physics and Astronomy · #Amplitude #Black Holes and Theoretical Physics #Classical mechanics #Cosmology and Gravitation Theories #Einstein #Factorization #Gravitation #Mathematical analysis #Mathematical physics #Matrix (chemical analysis) #Noncommutative and Quantum Gravity Theories #Physics #Quantum mechanics #Singularity #Theoretical physics #hep-th

paper · pdf · doi:10.1016/j.physletb.2017.05.052

published in Physics Letters B 771, 230-234 (Elsevier BV) · spelling corrected; citations added with comments

arxiv created 2017/03/24 · openalex publication_date 2017/05/23 · arxiv updated 2017/05/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We show how the S-matrix of an extended theory of gravity defined by its three-point amplitudes can be constructed by demanding factorisation. The resultant S-matrix has tree amplitudes obeying the same soft singularity theorems as Einstein gravity including the sub-sub-leading terms.

Citations

• Evidence for a New Soft Graviton Theorem
• Consistency Conditions on the S-Matrix of Massless Particles
• Gravitational waves in general relativity, VII. Waves from axi-symmetric isolated system
• Gravitational waves in general relativity VIII. Waves in asymptotically flat space-time
• One-Loop n-Point Gauge Theory Amplitudes, Unitarity and Collinear Limits
• Locality and Unitarity of Scattering Amplitudes from Singularities and Gauge Invariance
• The Amplituhedron