Professor Paul Heslop paul.heslop@durham.ac.uk
Professor
The SAGEX review on scattering amplitudes chapter 8: half BPS correlators
Heslop, Paul J
Authors
Abstract
Half BPS correlators in $\mathcal{N}=4$ super Yang–Mills theory are key quantities both in the AdS/CFT correspondence as well as in scattering amplitudes research. They are dual at strong coupling to quantum gravity amplitudes. At weak coupling on the other hand they contain all $\mathcal{N}=4$ SYM amplitudes. They have been found to possess a number of hidden symmetries, for example non-trivial permutation symmetry of perturbative four-point integrands and a higher dimensional conformal symmetry. Their study has enjoyed continuous progress since the discovery of AdS/CFT and they are now some of the best understood quantities of any four-dimensional quantum field theory. In this review we outline the current knowledge of half BPS correlators, emphasising these two co-existing relations to scattering amplitudes at strong and weak coupling.
Citation
Heslop, P. J. (2022). The SAGEX review on scattering amplitudes chapter 8: half BPS correlators. Journal of Physics A: Mathematical and Theoretical, 55(44), https://doi.org/10.1088/1751-8121/ac8c71
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 24, 2022 |
Online Publication Date | Nov 30, 2022 |
Publication Date | 2022 |
Deposit Date | Sep 13, 2022 |
Publicly Available Date | Dec 22, 2022 |
Journal | Journal of Physics A: Mathematical and Theoretical |
Print ISSN | 1751-8113 |
Electronic ISSN | 1751-8121 |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 55 |
Issue | 44 |
DOI | https://doi.org/10.1088/1751-8121/ac8c71 |
Related Public URLs | https://arxiv.org/abs/2203.13019 |
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