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Energy correlators in four-dimensional gravity

Dmitry Chicherin, Gregory P. Korchemsky, Emery Sokatchev, Alexander Zhiboedov

29/12/25 Published in : arXiv:2512.23791

We investigate energy correlators in four-dimensional gravitational theories, which provide a simple class of infrared-finite observables. We compute the one- and two-point energy correlators at one loop in \mathcal{N}=8 supergravity and in pure Einstein gravity, with particular emphasis on the contact terms arising from the interplay between virtual corrections and real emissions. We explicitly demonstrate the cancellation of infrared divergences and verify the Ward identities associated with energy-momentum conservation. In the back-to-back limit, we derive an all-order expression for the energy-energy correlator, showing that it is governed by universal soft-graviton dynamics. We further introduce a particularly simple beam-averaged energy-energy correlator and compute it in different gravitational theories, including tree-level string theory. The resulting correlators exhibit analyticity and polynomial boundedness, allowing for the formulation of dispersion relations, which we explore. Finally, we discuss additional singularities of the gravitational energy correlators, absent in QCD, that originate from the long-range nature of the gravitational interactions.

Entire article

Phase I & II research project(s)

  • String Theory
  • Field Theory

Phase III direction(s)

  • Holography and bulk-boundary correspondence

Conformal collider bootstrap in {\mathcal N}=4 SYM

Neural S-matrix bootstrap II: solvable 4d amplitudes with particle production

  • Leading house

  • Co-leading house


The National Centres of Competence in Research (NCCRs) are a funding scheme of the Swiss National Science Foundation

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