Is the Hubble tension a hint of AdS phase around recombination?
G Ye, YS Piao - Physical Review D, 2020 - APS
Anti-de Sitter (AdS) vacua, being theoretically important, might have an unexpected impact
on the observable Universe. We find that in early dark energy (EDE) scenarios the existence …
on the observable Universe. We find that in early dark energy (EDE) scenarios the existence …
Small flux superpotentials for type IIB flux vacua close to a conifold
R Álvarez‐García, R Blumenhagen… - Fortschritte der …, 2020 - Wiley Online Library
We generalize the recently proposed mechanism by Demirtas, Kim, McAllister and Moritz [1]
for the explicit construction of type IIB flux vacua with to the region close to the conifold locus …
for the explicit construction of type IIB flux vacua with to the region close to the conifold locus …
Swampland Variations on a Theme by KKLT
R Blumenhagen, D Kläwer, L Schlechter - Journal of High Energy Physics, 2019 - Springer
A bstract The KKLT scenario in a warped throat, if consistent, provides a concrete
counterexample to both the AdS scale separation and the dS swampland conjectures. First …
counterexample to both the AdS scale separation and the dS swampland conjectures. First …
Early dark energy in type IIB string theory
A bstract Early Dark Energy (EDE) is a promising model to resolve the Hubble Tension, that,
informed by Cosmic Microwave Background data, features a generalization of the potential …
informed by Cosmic Microwave Background data, features a generalization of the potential …
Quantum log-corrections to swampland conjectures
R Blumenhagen, M Brinkmann, A Makridou - Journal of High Energy …, 2020 - Springer
A bstract Taking the anti-de Sitter minimum of KKLT and the large volume scenario at face
value, we argue for the existence of logarithmic quantum corrections to AdS swampland …
value, we argue for the existence of logarithmic quantum corrections to AdS swampland …
Understanding KKLT from a 10d perspective
A bstract Some of the most well-celebrated constructions of metastable de Sitter vacua from
string theory, such as the KKLT proposal, involve the interplay of gaugino condensation on a …
string theory, such as the KKLT proposal, involve the interplay of gaugino condensation on a …
On brane gaugino condensates in 10d
A bstract We analyze the structure of gaugino interactions on D7-branes from a 10d
perspective. This is essential if one wants to lift the standard 4d approach to type IIB moduli …
perspective. This is essential if one wants to lift the standard 4d approach to type IIB moduli …
Mass Hierarchies and Quantum Gravity Constraints in DKMM‐refined KKLT
R Blumenhagen, A Gligovic… - Fortschritte der Physik, 2023 - Wiley Online Library
We carefully revisit the mass hierarchies for the KKLT scenario with an uplift term from an
anti D3‐brane in a strongly warped throat. First, we derive the bound resulting from what is …
anti D3‐brane in a strongly warped throat. First, we derive the bound resulting from what is …
Towards early dark energy in string theory
E McDonough, M Scalisi - Journal of High Energy Physics, 2023 - Springer
A bstract Early Dark Energy (EDE) is a prominent model to resolve the Hubble tension,
which employs a dynamical axion with a periodic potential. In this work, we take first steps …
which employs a dynamical axion with a periodic potential. In this work, we take first steps …
dS Vacua and the Swampland
A bstract In this note we revisit some of the recent 10d and 4d arguments suggesting that the
uplifting of supersymmetric AdS vacua leads to a flattening of the potential, preventing the …
uplifting of supersymmetric AdS vacua leads to a flattening of the potential, preventing the …