The geometry, branes and applications of exceptional field theory

DS Berman, C Blair - International Journal of Modern Physics A, 2020 - World Scientific
This is a review of exceptional field theory: a generalisation of Kaluza–Klein theory that
unifies the metric and p-form gauge field degrees of freedom of supergravity into a …

Supersymmetry breaking and stability in string vacua: Brane dynamics, bubbles and the swampland

I Basile - La Rivista del Nuovo Cimento, 2021 - Springer
We review some aspects of the dramatic consequences of supersymmetry breaking on
string vacua. In particular, we focus on the issue of vacuum stability in ten-dimensional string …

Stable nonsupersymmetric anti–de Sitter vacua of massive IIA supergravity

A Guarino, E Malek, H Samtleben - Physical Review Letters, 2021 - APS
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 …

Holographic evidence for nonsupersymmetric conformal manifolds

A Giambrone, A Guarino, E Malek, H Samtleben… - Physical Review D, 2022 - APS
We provide the first holographic evidence for the existence of a nonsupersymmetric
conformal manifold arising from exactly marginal but supersymmetry-breaking deformations …

Kaluza-Klein spectrometry from exceptional field theory

E Malek, H Samtleben - Physical Review D, 2020 - APS
Exceptional field theories yield duality-covariant formulations of higher-dimensional
supergravity. They have proven to be an efficient tool for the construction of consistent …

Leaps and bounds towards scale separation

GB De Luca, A Tomasiello - Journal of High Energy Physics, 2021 - Springer
A bstract In a broad class of gravity theories, the equations of motion for vacuum
compactifications give a curvature bound on the Ricci tensor minus a multiple of the Hessian …

Adding fluxes to consistent truncations: IIB supergravity on AdS3× S3× S3× S1

C Eloy, M Galli, E Malek - Journal of High Energy Physics, 2023 - Springer
A bstract We use E 8 (8) Exceptional Field Theory to construct the consistent truncation of IIB
supergravity on S 3× S 3× S 1 to maximal 3-dimensional\(\mathcal {N}\)= 16 gauged …

Global properties of the conformal manifold for S-fold backgrounds

A Giambrone, E Malek, H Samtleben… - Journal of High Energy …, 2021 - Springer
A bstract We study a one-parameter family of\(\mathcal {N}\)= 2 anti-de Sitter vacua with U
(1) 2 symmetry of gauged four-dimensional maximal supergravity, with dyonic gauge group …

Factorization of log-corrections in AdS4/CFT3 from supergravity localization

K Hristov, V Reys - Journal of High Energy Physics, 2021 - Springer
A bstract We use the Atiyah-Singer index theorem to derive the general form of the one-loop
corrections to observables in asymptotically anti-de Sitter (AdS 4) supersymmetric …

The conformal manifold of S-folds in string theory

N Bobev, FF Gautason, J van Muiden - Journal of High Energy Physics, 2024 - Springer
A bstract We continue the holographic exploration of the conformal manifold of 3d\(\mathcal
{N}\)= 2 S-fold SCFTs constructed by gauging the flavor symmetry of the Gaiotto-Witten T [U …