Journal article
Extremal couplings and gluon scattering in M-theory
- Abstract:
- We consider M-theory on the backgrounds AdS4×S7/ℤNf and AdS7 × S4/ℤ2, which have fixed point loci AdSd+1 × S3 for d = 3, 6. These theories are holographically dual to certain CFTs in d = 3, 6 with eight supercharges. We compute the bulk cubic couplings between graviton KK modes and gluon KK modes living on the fixed points of these theories, which are generically extremal. We use these couplings to compute the graviton exchange term that appears in the strong coupling expansion of holographic correlators of gluon KK modes 〈22pp〉 in these theories, and check that it matches the expected flat space limit. We express the answer in terms of a new reduced correlator solution to the superconformal Ward identities, which we derive for all CFTs with eight supercharges in 3 ≤ d ≤ 6.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 699.9KB, Terms of use)
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- Publisher copy:
- 10.1007/jhep06(2026)090
- Publication website:
- https://escholarship.org/content/qt5751n3b3/qt5751n3b3.pdf
Authors
+ Royal Society
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- Funder identifier:
- https://ror.org/03wnrjx87
- Grant:
- URF\R1\221310
+ Science and Technology Facilities Council
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- Funder identifier:
- https://ror.org/057g20z61
- Grant:
- ST/X000575/1
+ Engineering and Physical Sciences Research Council
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- Funder identifier:
- https://ror.org/0439y7842
- Grant:
- EP/Z000106/1
+ Natural Sciences and Engineering Research Council of Canada
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- Funder identifier:
- https://ror.org/01h531d29
- Grant:
- CGRS D --- 610229 --- 2026
- Publisher:
- Springer
- Journal:
- Journal of High Energy Physics More from this journal
- Volume:
- 2026
- Issue:
- 6
- Article number:
- 90
- Publication date:
- 2026-06-08
- Acceptance date:
- 2026-04-07
- DOI:
- EISSN:
-
1029-8479
- ISSN:
-
1126-6708
- Language:
-
English
- Keywords:
- Source identifiers:
-
4217532
- Deposit date:
-
2026-06-10
- ARK identifier:
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Terms of use
- Copyright date:
- 2026
- Licence:
- CC Attribution (CC BY)
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