Linearized gravity in flat braneworlds with anisotropic brane tension

Details Linearized gravity in flat braneworlds with anisotropic brane tension Linearized gravity in flat braneworlds with anisotropic brane tension

2002-02-25

arxiv.org/abs/hep-th/0202166v3

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, 2 figures

Scientific paper

We study the four-dimensional gravitational fluctuation on anisotropic brane tension embedded in braneworlds with vanishing bulk cosmological constant. In this setup, warp factors have two types (A and B) and we point out that the two types correspond to positive and negative tension brane, respectively. We show that volcano potential in the model of type A has singularity and the usual Newton's law is reproduced by the existence of normalizable zero mode. While, in the case of type B, the effective Planck scale is infinite so that there is no normalizable zero mode.

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