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Updated: Nov 16, 2025

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Stable Nonsupersymmetric Anti-de Sitter Vacua of Massive IIA Supergravity
Adolfo Guarino1,2, Emanuel Malek3, Henning Samtleben4
1Departamento de Física, Universidad de Oviedo, Avda. Federico García Lorca 18, 33007 Oviedo, Spain.
Abstract:
Stable nonsupersymmetric anti-de Sitter (AdS) vacua of string theory are widely believed not to exist. In this Letter, we analytically compute the full bosonic Kaluza-Klein spectrum around the G_{2}-invariant nonsupersymmetric AdS_{4} solution of massive IIA supergravity and show that it is perturbatively stable. We also provide evidence that six other nonsupersymmetric AdS_{4} solutions of massive IIA supergravity are perturbatively stable. Since previous studies have indicated that these AdS vacua may also be nonperturbatively stable, our findings pose a challenge to the swampland conjecture.
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