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De Sitter brane-world, localization of gravity, and the cosmological constant
De Sitter brane-world localization of gravity the cosmological constant
2010/12/24
Cosmological models with a de Sitter 3-brane embedded in a five-dimensional de Sitter spacetime (dS5) give rise to a finite 4D Planck mass similar to that in Randall-Sundrum (RS) brane-world models in...
Fermion localization on degenerate and critical branes
Fermion localization degenerate critical branes
2010/12/23
In this work we analyze the localization of fermions on degenerate and critical Bloch branes. This is done directly on the original extra-dimensional spatial variable $r$, in constrast to some works t...
Fermion localization on branes with generalized dynamics
Fermion localization branes generalized dynamics
2010/12/21
In a recent paper published in this journal, Bazeia and collaborators [Phys. Lett. B 671, (2009)402] analyze braneworld models with nonstandard dynamics. It was found that the generalized braneworld s...