Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-08-25
Phys.Rev.D82:104032,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages; v2 minor cosmetic change
Scientific paper
10.1103/PhysRevD.82.104032
The Goldberger-Wise mechanism enables one to stabilize the length of the warped extra dimension employed in Randall-Sundrum models. In this work we generalize this mechanism to models with multiple warped throats sharing a common ultraviolet brane. For independent throats this generalization is straight forward. If the throats possess a discrete interchange symmetry like Z_n the stabilizing dynamics may respect the symmetry, resulting in equal throat lengths, or they may break it. In the latter case the ground state of an initially symmetric configuration is a stabilized asymmetric configuration in which the throat lengths differ. We focus on two- (three-) throat setups with a Z_2 (Z_3) interchange symmetry and present stabilization dynamics suitable for either breaking or maintaining the symmetry. Though admitting more general application, our results are relevant for existing models in the literature, including the two throat model with Kaluza-Klein parity and the three throat model of flavor based on a broken Z_3 symmetry.
Law Sandy S. C.
McDonald Kristian L.
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