Aspects of warped braneworld models

Details Aspects of warped braneworld models Aspects of warped braneworld models

2008-12-05

arxiv.org/abs/0812.1092v1

Physics

High Energy Physics

High Energy Physics - Theory

23 Pages, Latex

Scientific paper

We review various key issues in connection with the warped braneworld models which provide us with new insights and explanations of physical phenomena through interesting geometrical features of such extra dimensional theories. Starting from the original Randall-Sundrum two brane models, we have discussed the stability, hierarchy and other important issues in connection with such braneworld. The role of higher derivative terms in the bulk for modulus stabilization has been explained. Implications of the existence of various bulk fields have been discussed and it has been shown how a warped braneworld model can explain the invisibility of all antisymmetric bulk tensor fields on our brane. We have also generalised the model for more than one warped dimensions in the form of a multiply warped spacetime. It is shown that such model can offer an explanation to the mass hierarchy among the standard model fermions and the localization of fermions on the standard model brane with a definite chirality.

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