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Stückelberg path to pure de Sitter supergravity

Sukṛti Bansal, Silvia Nagy Orcid Logo, Antonio Padilla, Ivonne Zavala Carrasco Orcid Logo

Physical Review D, Volume: 111, Issue: 12, Start page: 125004

Swansea University Author: Ivonne Zavala Carrasco Orcid Logo

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DOI (Published version): 10.1103/physrevd.111.125004

Abstract

We advance the study of pure de Sitter supergravity by introducing a finite formulation of unimodular supergravity via the super-Stückelberg mechanism. Building on previous works, we construct a complete four-dimensional action of spontaneously broken supergravity to all orders in the Stückelberg fi...

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Published in: Physical Review D
ISSN: 2470-0010 2470-0029
Published: American Physical Society (APS) 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa69767
Abstract: We advance the study of pure de Sitter supergravity by introducing a finite formulation of unimodular supergravity via the super-Stückelberg mechanism. Building on previous works, we construct a complete four-dimensional action of spontaneously broken supergravity to all orders in the Stückelberg fields, which allows for de Sitter solutions. The introduction of finite supergravity transformations extends the super-Stückelberg procedure beyond the second order, offering a recursive solution to all orders in the Goldstino sector. This work bridges the earlier perturbative approaches and the complete finite theory, opening new possibilities for de Sitter vacua in supergravity models and eventually string theory.
College: Faculty of Science and Engineering
Funders: S. B. is supported by the Austrian Science Fund, FWF, Project No. P34562. S. N. is partially supported by an STFC Consolidated Grant, No. ST/T000708/1. A. P. is partially supported by the STFC Consolidated Grants No. ST/V005596/1, No. ST/T000732/1, and No. ST/X000672/1. I. Z. is partially funded by STFC Grant No. ST/X000648/1.
Issue: 12
Start Page: 125004

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