1/L 2 corrected soft photon theorem from a CFT3 Ward identity
In: Journal of High Energy Physics, Jg. 2023 (2023), Heft 4, S. 1-29
Online
academicJournal
Zugriff:
Abstract Classical soft theorems applied to probe scattering processes on AdS4 spacetimes predict the existence of perturbative 1/L 2 corrections to the soft photon and soft graviton factors of asymptotically flat spacetimes. In this paper, we establish that the 1/L 2 corrected soft photon theorem can be derived from a large N CFT3 Ward identity. We derive a perturbed soft photon mode operator on a flat spacetime patch in global AdS4 in terms of an integrated expression of the boundary CFT current. Using the same in the CFT3 Ward identity, we recover the 1/L 2 corrected soft photon factor derived from classical soft theorems.
Titel: |
1/L 2 corrected soft photon theorem from a CFT3 Ward identity
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Autor/in / Beteiligte Person: | Banerjee, Nabamita ; Fernandes, Karan ; Mitra, Arpita |
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Zeitschrift: | Journal of High Energy Physics, Jg. 2023 (2023), Heft 4, S. 1-29 |
Veröffentlichung: | SpringerOpen, 2023 |
Medientyp: | academicJournal |
ISSN: | 1029-8479 (print) |
DOI: | 10.1007/JHEP04(2023)055 |
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