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General Relativity from Scattering Amplitudes

Canonical reference. 75% of citing Pith papers cite this work as background.

10 Pith papers citing it
Background 75% of classified citations
abstract

We outline the program to apply modern quantum field theory methods to calculate observables in classical general relativity through a truncation to classical terms of the multi-graviton two-body on-shell scattering amplitudes between massive fields. Since only long-distance interactions corresponding to non-analytic pieces need to be included, unitarity cuts provide substantial simplifications for both post-Newtonian and post-Minkowskian expansions. We illustrate this quantum field theoretic approach to classical general relativity by computing the interaction potentials to second order in the post-Newtonian expansion, as well as the scattering functions for two massive objects to second order in the post-Minkowskian expansion. We also derive an all-order exact result for gravitational light-by-light scattering.

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background 6 method 2

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fields

hep-th 9 gr-qc 1

years

2026 9 2025 1

verdicts

UNVERDICTED 10

representative citing papers

The Classical Gravitational Impulse at High Energies

hep-th · 2026-05-18 · unverdicted · novelty 6.0

The gravitational impulse for ultrarelativistic massive scalars is resummed to all orders in G_N at fixed G_N s/mb, recovering post-Minkowski results and predicting the leading high-energy behavior to eleventh post-Minkowski order.

Gravitational multipoles from scattering amplitudes in higher dimensions

hep-th · 2026-05-06 · unverdicted · novelty 6.0

In five dimensions, minimally coupled massive vector and antisymmetric tensor fields produce only mass or stress quadrupoles respectively from scattering amplitudes, failing to match the Myers-Perry black hole and demonstrating breakdown of spin universality.

Black Hole Response Theory and its Exact Shockwave Limit

hep-th · 2026-04-23 · unverdicted · novelty 6.0

Black hole response theory in WQFT exactly reproduces the Aichelburg-Sexl shockwave metric, geodesics, and the transfer matrix for gravitational-wave scattering off it via post-Minkowskian resummation.

Iterative Solution of the Kerr Black Hole Metric

hep-th · 2026-05-19 · unverdicted · novelty 4.0

A double perturbative expansion of the Kerr metric is obtained by recursively solving the Einstein equations in harmonic gauge to arbitrary order in G and a, with re-summation requiring redundant harmonic coordinate terms.

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Showing 10 of 10 citing papers.