2022
DOI: 10.48550/arxiv.2206.08400
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Mass Hierarchies and Quantum Gravity Constraints in DKMM-refined KKLT

Abstract: We carefully revisit the mass hierarchies for the KKLT scenario with an uplift term from an anti D3-brane in a strongly warped throat. First, we derive the bound resulting from what is usually termed "the throat fitting into the bulk" directly from the Klebanov-Strassler geometry. Generating the small value of the superpotential W 0 via the mechanism proposed by Demirtas, Kim, McAllister and Moritz (DKMM), we identify two possible DKMM-refined KKLT scenarios for stabilizing the light axio-dilaton modulus. Both… Show more

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Cited by 3 publications
(4 citation statements)
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“…Developing a precise understanding of the fate of the solutions beyond the supergravity approximations, i.e. checking if there can be a solution where the flat direction survives to all orders in α , 19 (with the solution remaining Minkowski) and the study of 4 graviton scattering in these backgrounds is relevant in the context of the classical Regge growth conjecture.…”
mentioning
confidence: 99%
See 1 more Smart Citation
“…Developing a precise understanding of the fate of the solutions beyond the supergravity approximations, i.e. checking if there can be a solution where the flat direction survives to all orders in α , 19 (with the solution remaining Minkowski) and the study of 4 graviton scattering in these backgrounds is relevant in the context of the classical Regge growth conjecture.…”
mentioning
confidence: 99%
“…has even conjectured that tree-level Minkowski vacua in supergravity should always feature massless modes that can potentially be flat directions 4. For earlier work on obtaining low values of W0 see[16,17], while for challenges in implementing moduli stabilisation and obtaining dS vacua in this setting see[18,19].…”
mentioning
confidence: 99%
“…An alternative, but related definition sets Λ sp as the scale at which higher-derivative operators in the gravitational EFT become relevant. The species scale and its moduli dependence have been recently subject of intense investigations [11,[19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37].…”
Section: Jhep06(2024)127mentioning
confidence: 99%
“…Even the most studied scenarios, namely KKLT and LVS [56,57], are not free from criticisms, see e.g. [28,[58][59][60][61][62][63] for recent works. The absence of fully understood examples has once more led to the formulation of swampland conjectures forbidding de Sitter vacua in quantum gravity, such as those of [64][65][66][67].…”
Section: Wgc Versus De Sittermentioning
confidence: 99%