Two-branes with variable tension model and the effective Newtonian constant

Details Two-branes with variable tension model and the effective Newtonian constant Two-branes with variable tension model and the effective Newtonian constant

2011-01-21

arxiv.org/abs/1101.4214v1

Phys.Rev.D83:066001,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, no figure, accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.83.066001

It is shown that, in the two brane time variation model framework, if the hidden brane tension varies according to the phenomenological Eotvos law, the visible brane tension behavior is such that its time derivative is negative in the past and positive after a specific time of cosmological evolution. This behavior is interpreted in terms of an useful mechanical system analog and its relation with the variation of the Newtonian (effective) gravitational `constant' is explored.

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