Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-06-23
Phys.Lett. A283 (2001) 8
Physics
High Energy Physics
High Energy Physics - Theory
14 pages
Scientific paper
10.1016/S0375-9601(01)00189-X
A brane world model is investigated, in which there are many branes that may intersect and self intersect. One of the branes, being a 3-brane, represents our spacetime, while the other branes, if they intersect our brane world, manifest themselves as matter in our 3-brane. It is shown that such a matter encompasses dust of point particles and higher dimensional p-branes, and all those objects follow "geodesics" in the world volume swept by our 3-brane. We also point point out that such a model can be formulated in a background independent way, and that the kinetic term for gravity arises from quantum fluctuation of the brane.
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