The dilatation operator is given by
D=xa∂∂xa+z∂∂z
How the norm can be D2=L2z2(ημνxμxν+z2)
where the metric of AdSd+1 in Poincare patch is
ds2=L2z2(ημνdxμdxν+dz2)
Explicit calculation will highly be appreciated.
This post imported from StackExchange Physics at 2015-10-03 21:49 (UTC), posted by SE-user Partha Paul