Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-07-21
TSPU Vestnik 44N7 (2004) 15-24
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, to appear in QG issue of TSPU Vestnik
Scientific paper
There are various different descriptions of Randall-Sundrum (RS) braneworlds. Here we present a unified view of the braneworld based on the gradient expansion approach. In the case of the single-brane model, we reveal the relation between the geometrical and the AdS/CFT approach. It turns out that the high energy and the Weyl term corrections found in the geometrical approach merge into the CFT matter correction found in the AdS/CFT approach. We also clarify the role of the radion in the two-brane system. It is shown that the radion transforms the Einstein theory with Weyl correction into the conformally coupled scalar-tensor theory where the radion plays the role of the scalar field.
Kanno Sugumi
Soda Jiro
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