Results 11 to 20 of about 1,088 (220)
The Singularity Problem in Brane Cosmology [PDF]
Universe, 2017 We review results about the development and asymptotic nature of singularities in “brane–bulk” systems. These arise for warped metrics obeying the five-dimensional Einstein equations with fluid-like sources, and including a brane four-metric that is ...
Ignatios Antoniadis, Spiros Cotsakis
doaj +6 more sources
Quintessence in brane cosmology [PDF]
Physics Letters B, 2000 10 pages, additional physical motivation and connections to high energy physics and observations, to appear in Phys.
P. F. González‐Díaz
openalex +6 more sources
Branes and inflationary cosmology [PDF]
Physics Letters B, 2002 14 pages, LaTeX, 4 eps ...
Bumseok Kyae, Qaisar Shafi
openaire +4 more sources
Quantum Cosmology of the Brane Universe [PDF]
Physical Review Letters, 2005 4 pages ...
Alexey Boyarsky, A. Neronov, I. Tkachev
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The radion in brane cosmology [PDF]
Nuclear Physics B, 2001 24 pages, 4 figures; two figures completed and some comments added in section 7.2; a small section 7.3 added on Randall-Sundrum type of models; some references ...
Binétruy, Pierre +2 more
openaire +3 more sources
Mass Hierarchies and Quantum Gravity Constraints in DKMM‐refined KKLT
Fortschritte der Physik, Volume 71, Issue 1, January 2023., 2023 Abstract 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 usually termed “the throat fitting into the bulk” directly from the Klebanov‐Strassler geometry.
Ralph Blumenhagen +2 more
wiley +1 more source
Shortcuts in cosmological branes [PDF]
Nuclear Physics B - Proceedings Supplements, 2004 We aim at gathering information from gravitational interaction in the Universe, at energies where quantum gravity is required. In such a setup a dynamical membrane world in a space-time with scalar bulk matter described by domain walls, as well as a dynamical membrane world in empty Anti de Sitter space-time are analysed.
Adenauer G. Casali +2 more
openaire +5 more sources
Breeding Realistic D‐Brane Models
Fortschritte der Physik, Volume 70, Issue 5, May 2022., 2022 Abstract Intersecting branes provide a useful mechanism to construct particle physics models from string theory with a wide variety of desirable characteristics. The landscape of such models can be enormous, and navigating towards regions which are most phenomenologically interesting is potentially challenging.
Gregory J. Loges, Gary Shiu
wiley +1 more source
Quintessence and the Swampland: The Numerically Controlled Regime of Moduli Space
Fortschritte der Physik, Volume 70, Issue 4, April 2022., 2022 Abstract We provide a detailed discussion of the main theoretical and phenomenological challenges of quintessence model building in any numerically controlled regime of the moduli space of string theory. We argue that a working quintessence model requires a leading order non‐supersymmetric (near) Minkowski vacuum with an axionic flat direction.
Michele Cicoli +3 more
wiley +1 more source
Nuclear Physics B, 1999 LaTeX file, 30 pages, 2 eps figures, 1 reference ...
Antonio Riotto, Michele Maggiore
openaire +4 more sources