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Curvature corrections to KPV: do we need deep throats?

We consider α′2 curvature corrections to the action of an NS5-brane which plays the key role in the metastability analysis of warped anti-D3-brane uplifts by Kachru, Pearson and Verlinde (KPV). Such corrections can dramatically alter the KPV analysis. We find that for the α′2-corrections to be suffi...

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Hauptverfasser: Hebecker, Arthur (VerfasserIn) , Schreyer, Simon (VerfasserIn) , Venken, Gerben (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: October 26, 2022
In: Journal of high energy physics
Year: 2022, Heft: 10, Pages: 1-29
ISSN:1029-8479
DOI:10.1007/JHEP10(2022)166
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP10(2022)166
Resolving-System, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP10(2022)166
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Verfasserangaben:Arthur Hebecker, Simon Schreyer and Gerben Venken

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520 |a We consider α′2 curvature corrections to the action of an NS5-brane which plays the key role in the metastability analysis of warped anti-D3-brane uplifts by Kachru, Pearson and Verlinde (KPV). Such corrections can dramatically alter the KPV analysis. We find that for the α′2-corrections to be sufficiently small to recover essentially the leading-order KPV potential one needs a surprisingly large S3 radius, corresponding to gsM > 20. In the context of the Large Volume Scenario (LVS) this implies a D3-tadpole of at least (103-104). However, large α′2-corrections do not necessarily spoil the uplift in KPV. Rather, as the curvature corrections lower the tension of the brane, a novel uplifting mechanism suggests itself where the smallness of the uplift is achieved by a tuning of curvature corrections. A key underlying assumption is the existence of a dense discretuum of gs. This new mechanism does not require a deep warped throat, thereby sidestepping the main difficulty in uplifting KKLT and LVS. However, all of the above has to be treated as a preliminary exploration of possibilities since, at the moment, not all relevant corrections at the order α′2 are known. 
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