Non-Compact Compactifications with Brane Worlds

Details Non-Compact Compactifications with Brane Worlds Non-Compact Compactifications with Brane Worlds

1999-11-17

arxiv.org/abs/hep-th/9911134v1

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 16 pages

Scientific paper

The possibility of neutral, brane-like solutions in a higher dimensional setting is discussed. In particular, we describe a supersymmetric solution in six dimensions which can be interpreted as a "three-brane" with a non-compact transverse space of finite volume. The construction can be generalized to n+4-dimensions and the result is a n+3-brane compactified on a n-1-dimensional Einstein manifold with a non-compact extra dimension. We find that there always exists a massless graviton trapped in four-dimensions while a bulk abelian gauge field gives rise to a unique four-dimensional massless photon. Moreover, all massless modes are accompanied by massive KK states and we show that it is possible in such a scenario the masses of the KK states to be at the TeV scale without hierarchically large extra dimensions.

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