AdS scale separation and the distance conjecture
G Shiu, F Tonioni, V Van Hemelryck… - Journal of High Energy …, 2023 - Springer
A bstract It has been argued that orientifold vacua with fluxes in type IIA string theory can
achieve moduli stabilisation and arbitrary decoupling between the AdS and KK scales upon …
achieve moduli stabilisation and arbitrary decoupling between the AdS and KK scales upon …
The FL bound and its phenomenological implications
A bstract Demanding that charged Nariai black holes in (quasi-) de Sitter space decay
without becoming super-extremal implies a lower bound on the masses of charged particles …
without becoming super-extremal implies a lower bound on the masses of charged particles …
On AdS7 stability
A bstract AdS7 supersymmetric solutions in type IIA have been classified, and they are
infinitely many. Moreover, every such solution has a non-supersymmetric sister. In this pa …
infinitely many. Moreover, every such solution has a non-supersymmetric sister. In this pa …
Non-supersymmetric string models from anti-D3-/D7-branes in strongly warped throats
S Parameswaran, F Tonioni - Journal of High Energy Physics, 2020 - Springer
A bstract This article discusses model-building scenarios including anti-D3-/D7-branes, in
which supersymmetry is broken spontaneously, despite having no scale at which sparticles …
which supersymmetry is broken spontaneously, despite having no scale at which sparticles …
Anti-brane singularities as red herrings
J Blåbäck, FF Gautason, A Ruipérez… - Journal of High Energy …, 2019 - Springer
A bstract Unphysical 3-form flux singularities near anti-branes have been argued to get
resolved in the classical supergravity regime when brane polarisation is properly taken into …
resolved in the classical supergravity regime when brane polarisation is properly taken into …
[HTML][HTML] Goldstino condensation at large N
F Farakos, M Morittu - The European Physical Journal C, 2023 - Springer
We analyze the standard fermionic 4D Volkov–Akulov action with N global non-linear
supersymmetries. We find that the stationary points of the system are described by an …
supersymmetries. We find that the stationary points of the system are described by an …
de Sitter decay through goldstino evaporation
F Farakos, A Kehagias, N Liatsos - Journal of High Energy Physics, 2021 - Springer
A bstract We study supergravity theories with supersymmetry intrinsically non-linearly
realized supported only by four-form flux. We demonstrate that supersymmetry can be …
realized supported only by four-form flux. We demonstrate that supersymmetry can be …
Weak manifolds and scale separation in M-theory from type IIA backgrounds
V Van Hemelryck - Physical Review D, 2024 - APS
This work provides evidence for the existence of supersymmetric and scale-separated AdS 4
vacua in M-theory of the Freund-Rubin type. The internal space has weak G 2-holonomy …
vacua in M-theory of the Freund-Rubin type. The internal space has weak G 2-holonomy …
Unstoppable brane-flux decay of branes
UH Danielsson, FF Gautason, T Van Riet - Journal of High Energy Physics, 2017 - Springer
A bstract We investigate p\(\overline {\mathrm {D} 6}\) branes inside a flux throat that carries
K× M D6 charges with K the 3-form flux quantum and M the Romans mass. In such a setup …
K× M D6 charges with K the 3-form flux quantum and M the Romans mass. In such a setup …
Goldstino condensation?
A bstract It was argued in [1] that the Volkov-Akulov (VA) model as well as similar models in
supergravity and the related KKLT model in string theory, suffer from tachyonic instabilities …
supergravity and the related KKLT model in string theory, suffer from tachyonic instabilities …