We consider a brane-world cosmological model coupled to a bulk scalar field. Since the brane tension turns out to be proportional to Newton’s coupling G, in such a model a time variation of G naturally occurs. By resorting to available bounds on the variation of G, the parameters of the model are constrained. The constraints coming from nucleosynthesis and CMB result to be the severest ones.Facultad de Ciencias Astronómicas y Geofísica
Higher-dimensional theories imply that some constants, such as the gravitational constant and the st...
Braneworld models with variable brane tension λ introduce a new degree of freedom that allows for ev...
We study the propagation of gravitons within 5-D supersymmetric braneworld models with a bulk scalar...
We consider a brane-world cosmological model coupled to a bulk scalar field. Since the brane tension...
We study cosmological consequences of non-constant brane world moduli in five dimensional brane worl...
The most remarkable and interesting feature of brane world scenario is the use of bulk\u27s curvatur...
We consider brane world scenarios including the leading correction to the Einstein-Hilbert action su...
We derive a new class of time-dependent solutions for the Randall-Sundrum model by patching together...
We provide a detailed analysis of Friedmann-Robertson-Walker universes in a wide range of scalar-ten...
The cosmology of the Randall-Sundrum scenario for a positive tension brane in a 5-D Universe with lo...
10 pages, 7 figures. Published version10 pages, 7 figures. Published version10 pages, 7 figures. Pub...
We study the variation of the gravitational Newton's constant on cosmological scales in scalar-tenso...
Four recently reported experimental constraints on brane-world models in five dimensions are analyze...
In brane-world theory in five dimensions, the bulk metric is usually written in gaussian coordinates...
In the Randall-Sundrum scenario we investigate the dynamics of a spherically symmetric 3-brane worl...
Higher-dimensional theories imply that some constants, such as the gravitational constant and the st...
Braneworld models with variable brane tension λ introduce a new degree of freedom that allows for ev...
We study the propagation of gravitons within 5-D supersymmetric braneworld models with a bulk scalar...
We consider a brane-world cosmological model coupled to a bulk scalar field. Since the brane tension...
We study cosmological consequences of non-constant brane world moduli in five dimensional brane worl...
The most remarkable and interesting feature of brane world scenario is the use of bulk\u27s curvatur...
We consider brane world scenarios including the leading correction to the Einstein-Hilbert action su...
We derive a new class of time-dependent solutions for the Randall-Sundrum model by patching together...
We provide a detailed analysis of Friedmann-Robertson-Walker universes in a wide range of scalar-ten...
The cosmology of the Randall-Sundrum scenario for a positive tension brane in a 5-D Universe with lo...
10 pages, 7 figures. Published version10 pages, 7 figures. Published version10 pages, 7 figures. Pub...
We study the variation of the gravitational Newton's constant on cosmological scales in scalar-tenso...
Four recently reported experimental constraints on brane-world models in five dimensions are analyze...
In brane-world theory in five dimensions, the bulk metric is usually written in gaussian coordinates...
In the Randall-Sundrum scenario we investigate the dynamics of a spherically symmetric 3-brane worl...
Higher-dimensional theories imply that some constants, such as the gravitational constant and the st...
Braneworld models with variable brane tension λ introduce a new degree of freedom that allows for ev...
We study the propagation of gravitons within 5-D supersymmetric braneworld models with a bulk scalar...
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