| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10723458 | Physics Letters B | 2006 | 6 Pages |
Abstract
The stability problem of Randall-Sundrum braneworld is readdressed in the light of stabilizing bulk scalar fields. It is shown that in such scenario the instability in general persists because of back-reaction even when an arbitrary potential is introduced for a canonical scalar field in the bulk. It is further shown that a bulk scalar field can indeed stabilize the braneworld when it has a tachyon-like action. The full back-reacted metric in such model is derived and a proper resolution of the hierarchy problem (for which the Randall-Sundrum scenario was originally proposed) is found to exist by suitable adjustments of the parameters of the scalar potential.
Related Topics
Physical Sciences and Engineering
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Nuclear and High Energy Physics
Authors
Debaprasad Maity, Soumitra SenGupta, Sourav Sur,