Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-04-23
Physics
High Energy Physics
High Energy Physics - Theory
26 pages. v2: typos fixed v3: minor improvements in discussion
Scientific paper
We investigate recovery of the bulk S-matrix from the AdS/CFT correspondence, at large radius. It was recently argued that some of the elements of the S-matrix might be read from CFT correlators, given a particular singularity structure of the latter, but leaving the question of more general S-matrix elements. Since in AdS/CFT, data must be specified on the boundary, we find certain limitations on the corresponding bulk wavepackets and on their localization properties. In particular, those we have found that approximately localize have low-energy tails, and corresponding power-law tails in position space. When their scattering is compared to that of "sharper" wavepackets typically used in scattering theory, one finds apparently significant differences, suggesting a possible lack of resolution via these wavepackets. We also give arguments that construction of the sharper wavepackets may require non-perturbative control of the boundary theory, and particular of the N^2 matrix degrees of freedom. These observations thus raise interesting questions about what principle would guarantee the appropriate control, and about how a boundary CFT can accurately approximate the flat space S-matrix.
Gary Michael
Giddings Steven B.
No associations
LandOfFree
The flat space S-matrix from the AdS/CFT correspondence? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The flat space S-matrix from the AdS/CFT correspondence?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The flat space S-matrix from the AdS/CFT correspondence? will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-408115