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Brane gravity, higher derivative terms and non-locality
Shinji Mukohyama
In brane world scenarios with a bulk scalar field between two branes it is known that 4-dimensional Einstein gravity is restored at low energies on either brane. By using a gauge-i…
Brane Gravity at Low Energy
Shinji Mukohyama, Lev Kofman
Four dimensional gravity in the low energy limit of a higher dimensional theory has been expected to be a (generalized) Brans-Dicke theory. A subtle point in brane world scenarios…
Doubly covariant action principle of singular hypersurfaces in general relativity and scalar-tensor theories
Shinji Mukohyama
An action principle of singular hypersurfaces in general relativity and scalar-tensor type theories of gravity in the Einstein frame is presented without assuming any symmetry. The…
Integro-differential equation for brane-world cosmological perturbations
Shinji Mukohyama
Cosmological perturbations in the brane-world cosmology with a positive tension brane in the AdS background bulk geometry is analyzed by using the doubly gauge-invariant formalism.…
Static solutions in the R^4 brane world
Shinji Mukohyama
A simple five-dimensional brane world model is proposed, motivated by M-theory compactified on a six-dimensional manifold of small radius and an of large radius. We inclu…