The unbearable lightness of charged gravitini

Gianguido Dall’Agata (Dipartimento di Fisica e Astronomia “Galileo Galilei”, Università di Padova, Via Marzolo 8, Padova, 35131, Italy; INFN, Sezione di Padova, Via Marzolo 8, Padova, 35131, Italy) ; Maxim Emelin (Dipartimento di Fisica e Astronomia “Galileo Galilei”, Università di Padova, Via Marzolo 8, Padova, 35131, Italy; INFN, Sezione di Padova, Via Marzolo 8, Padova, 35131, Italy) ; Fotis Farakos (Dipartimento di Fisica e Astronomia “Galileo Galilei”, Università di Padova, Via Marzolo 8, Padova, 35131, Italy; INFN, Sezione di Padova, Via Marzolo 8, Padova, 35131, Italy) ; Matteo Morittu (Dipartimento di Fisica e Astronomia “Galileo Galilei”, Università di Padova, Via Marzolo 8, Padova, 35131, Italy; INFN, Sezione di Padova, Via Marzolo 8, Padova, 35131, Italy)

We prove that charged gravitini cannot have parametrically small or vanishing Lagrangian mass in de Sitter vacua of extended supergravity while respecting the magnetic weak gravity conjecture. This places large classes of de Sitter solutions of gauged supergravity in the swampland, including all known stable solutions of the N=2 theory. We illustrate this result by analyzing a variety of de Sitter critical points of N=2 matter-coupled supergravity that also include new stable de Sitter solutions. Our results provide concrete evidence that (quasi) de Sitter with charged light gravitini should belong to the swampland, which also strongly resonates with the “festina lente” bound.

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      "value": "We prove that charged gravitini cannot have parametrically small or vanishing Lagrangian mass in de Sitter vacua of extended supergravity while respecting the magnetic weak gravity conjecture. This places large classes of de Sitter solutions of gauged supergravity in the swampland, including all known stable solutions of the N=2 theory. We illustrate this result by analyzing a variety of de Sitter critical points of N=2 matter-coupled supergravity that also include new stable de Sitter solutions. Our results provide concrete evidence that (quasi) de Sitter with charged light gravitini should belong to the swampland, which also strongly resonates with the \u201cfestina lente\u201d bound."
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Published on:
08 October 2021
Publisher:
Springer
Published in:
Journal of High Energy Physics , Volume 2021 (2021)
Issue 10
Pages 1-42
DOI:
https://doi.org/10.1007/JHEP10(2021)076
arXiv:
2108.04254
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: