We show that for non-conformally flat bulk spacetime, there exist no bound modes for zero mass graviton on the 3-brane. The brane world model is therefore unstable for the bulk spacetime being different from the conformally flat anti-de Sitter space. © 2001 Elsevier Science B.V.
Publication Source (Journal or Book title)
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Singh, P., & Dadhich, N. (2001). Non-conformally flat bulk spacetime and the 3-brane world. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 511 (2-4), 291-294. https://doi.org/10.1016/S0370-2693(01)00679-7