TY  - EJOUR
AU  - Lanza, Stefano
AU  - Westphal, Alexander
TI  - Uplifts in the Penumbra: Features of the Moduli Potential away from Infinite-Distance Boundaries
IS  - DESY-24-199
M1  - PUBDB-2024-07708
M1  - DESY-24-199
M1  - arXiv:2412.12253
PY  - 2024
N1  - 45 pages, 30 figures
AB  - The construction of meta-stable 4D de Sitter vacua in type IIB string compactifications represents an important question and an open and ongoing area of work. There is considerable support for both stringy dS vacua in the interior of moduli space and for their scarceness in the strict asymptotic regime towards infinite-distance boundaries of the compactification moduli space. Here, we present evidence for existence of uplifting vacua in the three-form flux induced scalar potential of the complex structure moduli of type IIB string theory on Calabi-Yau orientifolds in the cross-over region between the interior of moduli space and its strictly asymptotic infinite-distance limits. Moreover, we also exhibit the existence of long-range axion valleys with flattened scalar potential from complex structure moduli backreaction and axion monodromy. We further illustrate how such regions hosting axion valleys may be obtained by using machine learning techniques.
LB  - PUB:(DE-HGF)25
DO  - DOI:10.3204/PUBDB-2024-07708
UR  - https://bib-pubdb1.desy.de/record/619527
ER  -