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A closer look at two AdS4 branes in an AdS5 bulk

Shiyamala Thambyahpillai1

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We investigate a scenario with two AdS4 branes in an AdS5 bulk. In this scenario there are two gravitons and we investigate the role played by each of them for different positions of the second brane. We show that both gravitons play a significant role only when the turn-around point in the warp factor is approximately equidistant from both branes. We find that the ultralight mode becomes heavy as the second brane approaches the turn-around point, and the physics begins to resemble that of the RS model. Thus we demonstrate the crucial role played by the turn-around in the warp factor in enabling the presence of both gravitons.


Keywords

p-branes

Extra Large Dimensions

Field Theories in Higher Dimensions

 

E-print Number: hep-th/0409190

Cited: by |

Refers: to

PACS

11.10.Kk Field theories in dimensions other than four

11.25.Wx String and brane phenomenology

14.80.-j Other particles (including hypothetical)

Subjects

Particle physics and field theory

Dates

Issue 02 (February 2005)

Received 28 October 2004, accepted for publication 10 February 2005

Published 18 February 2005



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