Singh, ParampreetDadhich, Naresh2012-03-142012-03-142001-01-05http://hdl.handle.net/11007/1491We 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.en3-brane worldFlat bulk spacetimeNon-conformally flat bulk spacetime and the 3-brane worldArticle