Stability and hierarchy problems in string inspired braneworld scenarios

Details Stability and hierarchy problems in string inspired braneworld scenarios Stability and hierarchy problems in string inspired braneworld scenarios

2007-04-24

arxiv.org/abs/0704.3119v2

Europhys.Lett.83:51002,2008

Physics

High Energy Physics

High Energy Physics - Theory

5 Pages, Revtex. Minor changes. To appear in Europhysics Letters

Scientific paper

10.1209/0295-5075/83/51002

We generalise the RS braneworld model by taking into account a general stringy bulk containing the scalar dilaton field and the two-form Kalb-Ramond field, apart from gravity. Assuming small fluctuations around a RS background, the back-reacted warp factor is obtained. It is shown that the fine tuning problem in connection with the Higgs mass reappears in a new guise and the effective modular potential fails to stabilise the braneworld.

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