Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Formal Theory
Classical Spin in General Relativity from Amplitudes
G. Chen* and N.E.J. Bjerrum-Bohr
*: corresponding author
Full text: pdf
Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
This talk reviews recent results with classical spin in general relativity using quantum field theory. We report on a recent breakthrough: modern amplitude technology and bootstrap methods allow the expression of tree-level classical spin amplitude in terms of entire functions manifestly free of spurious poles. This organization enables an all-order spin framework for computations. We exemplify this with a bending angle computation.
DOI: https://doi.org/10.22323/1.476.0793
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