| Issue |
EPL
Volume 85, Number 4, February 2009
|
|
|---|---|---|
| Article Number | 41001 | |
| Number of page(s) | 6 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/85/41001 | |
| Published online | 18 February 2009 | |
Modulus stabilization of the generalized Randall-Sundrum model with a bulk scalar field
Department of Theoretical Physics and Centre for Theoretical Sciences, Indian Association for the Cultivation of Science - Kolkata-700032, India
Corresponding authors: tprk@iacs.res.in tpjm@iacs.res.in tpssg@iacs.res.in
Received:
6
December
2008
Accepted:
22
January
2009
We study the stabilization of the inter-brane spacing modulus of generalized warped brane models with a nonzero brane cosmological constant. Employing the Goldberger-Wise stabilization prescription of braneworld models with a bulk scalar field, we show that the stabilized value of the modulus generally depends on the value of the brane cosmological constant. Our result further reveals that the stabilized modulus value corresponding to a vanishingly small cosmological constant can only resolve the gauge hierarchy problem simultaneously. This in turn vindicates the original Randall-Sundrum model, where the 3-brane cosmological constant was chosen to be zero.
PACS: 11.25.Mj – Compactification and four-dimensional models / 04.50.-h – Higher-dimensional gravity and other theories of gravity
© EPLA, 2009
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