![Figure 21](chesler-murata.png)
Figure 21: Left panel: Collision of two shock waves in AdS5. The energy density
is represented
as a function of an (advanced) time coordinate
and a longitudinal coordinate
.
defines
the amplitude of the waves. Right panel: Evolution of the scalar field in an unstable RN-AdS BH.
is a radial coordinate and the AdS boundary is at
. Due to the instability of the BH, the
scalar density grows exponentially for
. Then, the scalar density approaches some static
function. Images reproduced with permission from (left) [207], copyright by APS and (right) [562],
copyright by SISSA.
![4 ℰ ∕μ](article1447x.gif)
![v](article1448x.gif)
![z](article1449x.gif)
![μ](article1450x.gif)
![z](article1451x.gif)
![z = 0](article1452x.gif)
![0 < tTc ≲ 6](article1453x.gif)