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The unbearable lightness of charged gravitini

2021; Springer Nature; Volume: 2021; Issue: 10 Linguagem: Inglês

10.1007/jhep10(2021)076

1127-2236

Gianguido Dall’Agata, Maxim Emelin, Fotis Farakos, Matteo Morittu,

Pulsars and Gravitational Waves Research

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.