Extensions of a scale-separated AdS4 solution and their mass spectrum

David Andriot (Laboratoire d’Annecy-le-Vieux de Physique Théorique (LAPTh), CNRS, Université Savoie Mont Blanc (USMB), UMR 5108, 9 Chemin de Bellevue, Annecy, 74940, France) ; George Tringas (Laboratoire d’Annecy-le-Vieux de Physique Théorique (LAPTh), CNRS, Université Savoie Mont Blanc (USMB), UMR 5108, 9 Chemin de Bellevue, Annecy, 74940, France)

We consider two extensions of the so-called DGKT solution, a 4d scale-separated anti-de Sitter (AdS) solution obtained as a compactification on a 6d torus orbifold. Each extension consists in a specific large n expansion beyond the DGKT solution, where n is the unbounded F 4-flux parameter. One of the extensions considered generalizes the known warped, partially backreacted solution. We analyse the two extensions in 10d massive type IIA supergravity as well as in a 4d effective theory, using a general warped compactification formalism, including axions. On top of known corrections to DGKT, we mainly get new ones from F 4; other fluxes are very constrained by flux quantization. In each extension, one would expect corresponding corrections to the mass spectrum, before reaching contributions from α ′ -corrections. But the mass spectrum turns out to be robust, and conformal dimensions remain unchanged.

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      "value": "We consider two extensions of the so-called DGKT solution, a 4d scale-separated anti-de Sitter (AdS) solution obtained as a compactification on a 6d torus orbifold. Each extension consists in a specific large n expansion beyond the DGKT solution, where n is the unbounded F 4-flux parameter. One of the extensions considered generalizes the known warped, partially backreacted solution. We analyse the two extensions in 10d massive type IIA supergravity as well as in a 4d effective theory, using a general warped compactification formalism, including axions. On top of known corrections to DGKT, we mainly get new ones from F 4; other fluxes are very constrained by flux quantization. In each extension, one would expect corresponding corrections to the mass spectrum, before reaching contributions from \u03b1  \u2032 -corrections. But the mass spectrum turns out to be robust, and conformal dimensions remain unchanged."
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Published on:
03 January 2024
Publisher:
Springer
Published in:
Journal of High Energy Physics , Volume 2024 (2024)
Issue 1
Pages 1-53
DOI:
https://doi.org/10.1007/JHEP01(2024)008
arXiv:
2310.06115
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: