Dr Federico Bonetti federico.bonetti@durham.ac.uk
Post Doctoral Research Associate
Consistent truncations from the geometry of sphere bundles
Bonetti, Federico; Minasian, Ruben; Camell, Valentí Vall; Weck, Peter
Authors
Ruben Minasian
Valentí Vall Camell
Peter Weck
Abstract
In this paper, we present a unified perspective on sphere consistent truncations based on the classical geometric properties of sphere bundles. The backbone of our approach is the global angular form for the sphere. A universal formula for the Kaluza-Klein ansatz of the flux threading the n-sphere captures the full nonabelian isometry group SO(n + 1) and scalar deformations associated to the coset SL(n + 1, ℝ)/SO(n + 1). In all cases, the scalars enter the ansatz in a shift by an exact form. We find that the latter can be completely fixed by imposing mild conditions, motivated by supersymmetry, on the scalar potential arising from dimensional reduction of the higher dimensional theory. We comment on the role of the global angular form in the derivation of the topological couplings of the lower-dimensional theory, and on how this perspective could provide inroads into the study of consistent truncations with less supersymmetry.
Citation
Bonetti, F., Minasian, R., Camell, V. V., & Weck, P. (2023). Consistent truncations from the geometry of sphere bundles. Journal of High Energy Physics, 2023(5), Article 156. https://doi.org/10.1007/jhep05%282023%29156
Journal Article Type | Article |
---|---|
Acceptance Date | May 12, 2023 |
Online Publication Date | May 18, 2023 |
Publication Date | 2023 |
Deposit Date | Oct 2, 2023 |
Publicly Available Date | Oct 2, 2023 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Electronic ISSN | 1029-8479 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2023 |
Issue | 5 |
Article Number | 156 |
DOI | https://doi.org/10.1007/jhep05%282023%29156 |
Keywords | Nuclear and High Energy Physics |
Public URL | https://durham-repository.worktribe.com/output/1755542 |
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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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