We give a general review of extended supergravities and their gauging using the duality-
covariant embedding tensor formalism. Although the focus is on four-dimensional theories …

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 …

We consider compactifications of massive IIA supergravity on a six-sphere. This setup is
known to give rise to non-supersymmetric AdS $ _4 $ vacua preserving SO $(7) $ as well as …

A bstract With one exception, all known non-supersymmetric AdS 4 and AdS 5 vacua of
gauged maximal supergravities that descend from string and M theory have been shown to …

A bstract Motivated by its well defined higher dimensional origin, a detailed study of D=
4\(\mathcal {N}= 8\) supergravity with a dyonically gauged\(\mathrm {I}\mathrm {S}\mathrm …

We perform a detailed analysis of black hole solutions in supergravity models. After a
general introduction on black holes in general relativity and supersymmetric theories, we …

Dyonic gaugings of four-dimensional supergravity typically exhibit a richer vacuum structure
compared to their purely electric counterparts, but their higher-dimensional origin often …

A bstract We compute the Kaluza-Klein spectrum of the non-supersymmetric SO (3) Ũ SO (3)-
invariant AdS 4 vacuum of 11-dimensional supergravity, whose lowest-lying Kaluza-Klein …

A bstract Multi-parametric families of AdS 4 vacua with various amounts of supersymmetry
and residual gauge symmetry are found in the [SO (1, 1)× SO (6)]⋉ ℝ 12 maximal …

A bstract We identify the space of symplectic deformations of maximal gauged supergravity
theories. Coordinates of such space parametrize inequivalent supergravity models with the …