Gravitational Waves and Extra Dimensions: A Short Review *

Hao Yu,Zi-Chao Lin,Yu-Xiao Liu

Fig. 1 (Color online) The trajectories of GW and electromagnetic wave (EMW).[99] The points $A$, $B$, and $B'$ are all on the brane. The dashed red line $AB'B$ represents the track of the null geodesic on the brane and the solid blue line AB is the track of the null geodesic in the bulk.