Dr Federico Carta federico.carta@durham.ac.uk
Post Doctoral Research Associate
Thraxions: towards full string models
Carta, Federico; Mininno, Alessandro; Righi, Nicole; Westphal, Alexander
Authors
Alessandro Mininno
Nicole Righi
Alexander Westphal
Abstract
We elucidate various aspects of the physics of thraxions, ultra-light axions arising at Klebanov-Strassler multi-throats in the compactification space of IIB superstring theory. We study the combined stabilization of Kähler moduli and thraxions, showing that under reasonable assumptions, one can solve the combined problem both in a KKLT and a LVS setup. We find that for non-minimal multi-throats, the thraxion mass squared is three-times suppressed by the throat warp factor. However, the minimal case of a double-throat can preserve the six-times suppression as originally found. We also discuss the backreaction of a non-vanishing thraxion vacuum expectation value on the geometry, showing that it induces a breaking of the imaginary self-duality condition for 3-form fluxes. This in turn breaks the Calabi-Yau structure to a complex manifold one. Finally, we extensively search for global models which can accommodate the presence of multiple thraxions within the database of Complete Intersection Calabi-Yau orientifolds. We find that each multi-throat system holds a single thraxion. We further point out difficulties in constructing a full-fledged global model, due to the generic presence of frozen-conifold singularities in a Calabi-Yau orientifold. For this reason, we propose a new database of CICY orientifolds that do not have frozen conifolds but that admit thraxions.
Citation
Carta, F., Mininno, A., Righi, N., & Westphal, A. (2022). Thraxions: towards full string models. Journal of High Energy Physics, 2022(82), Article 82. https://doi.org/10.1007/jhep01%282022%29082
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 1, 2022 |
Online Publication Date | Jan 17, 2022 |
Publication Date | 2022-01 |
Deposit Date | Feb 16, 2022 |
Publicly Available Date | Mar 28, 2024 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2022 |
Issue | 82 |
Article Number | 82 |
DOI | https://doi.org/10.1007/jhep01%282022%29082 |
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Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
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