Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-10-31
JHEP 0112:030,2001
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, 4 figures, LaTeX
Scientific paper
10.1088/1126-6708/2001/12/030
We consider a brane world scenario which arises as the near-horizon region of a non-extremal D5-brane. There is a quasi-localized massive graviton mode, as well as harmonic modes of higher mass which are bound to the brane to a lesser degree. Lorentz invariance is slightly broken, which may have observable effects due to the leakage of the metastable graviton states into the bulk. Unlike a brane world arising from an extremal D5-brane, there is no mass gap. We also find that a brane world arising from a non-extremal M5/M5-brane intersection has the same graviton dynamics as that of a non-extremal D5-brane. This is evidence that a previously conjectured duality relation between the dual quantum field theories of each p-brane background may hold away from extremality.
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