Inflating in perturbative LVS: Global Embedding and Robustness
arXiv:2405.06738 · doi:10.1088/1475-7516/2024/09/004
Abstract
The perturbative LARGE volume scenario (LVS) is a promising moduli stabilisation scheme in which the overall volume modulus of the compactifying Calabi-Yau (CY) threefold is dynamically stabilised to exponentially large values via using only perturbative corrections. In this article, using an orientifold of a K3-fibred CY threefold, we present the global embedding of an inflationary model proposed in the framework of perturbative LVS, in which the overall volume modulus acts as the inflaton field rolling on a nearly flat potential induced by a combination of the -corrections and the so-called {\it log-loop} effects. Given that having a concrete global construction facilitates explicit expressions for a set of sub-leading corrections, as a next step, we present a detailed analysis investigating the robustness of the single-field inflationary model against such corrections, in particular those arising from the winding-type string loop corrections and the higher derivative F-corrections.
v3: 39 pages, 5 figures, minor updates, published version
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Cited by in corpus (6)
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