14 citations · 14 across the 5 of their papers we have counts for
7 papers · 1 filter
Dual is Different: EFTs, Axions and Nonpropagating Form Fields in Cosmology
C. P. Burgess, F. Quevedo
Scalar fields in 4D are known to have equivalent dual descriptions in terms of form-field gauge potentials, but this is often regarded as an arcane fact. Why use more complicated f…
4D de Sitter from String Theory via 6D Supergravity
C. P. Burgess, F. Muia, F. Quevedo
We obtain de Sitter (dS) solutions from controlled string-theory constructions. We review how minimal gauged chiral 6D supergravity evades standard dS no-go theorems by having a po…
Axio-Chameleons: A Novel String-Friendly Multi-field Screening Mechanism
Philippe Brax, C. P. Burgess, F. Quevedo
Scalar-tensor theories with the shift symmetries required by light scalars are well-explored modifications to GR. For these, two-derivative scalar self-interactions usually dominat…
Nonrenormalization of Flux Superpotentials in String Theory
C. P. Burgess, C. Escoda, F. Quevedo
Recent progress in understanding modulus stabilization in string theory relies on the existence of a non-renormalization theorem for the 4D compactifications of Type IIB supergravi…
Inflation in Realistic D-Brane Models
C. P. Burgess, J. M. Cline, H. Stoica +1
We find successful models of D-brane/anti-brane inflation within a string context. We work within the GKP-KKLT class of type IIB string vacua for which many moduli are stabilized t…
Realistic D-Brane Models on Warped Throats: Fluxes, Hierarchies and Moduli Stabilization
J. F. G. Cascales, M. P. Garcia del Moral, F. Quevedo +1
We describe the construction of string theory models with semirealistic spectrum in a sector of (anti) D3-branes located at an orbifold singularity at the bottom of a highly warped…