Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-10-22
JHEP 1101:148,2011
Physics
High Energy Physics
High Energy Physics - Theory
v2: 23 pages (plus appendix), revised presentation, discussion of branch cuts moved to appendix, and some minor changes; v1: 2
Scientific paper
10.1007/JHEP01(2011)148
Using the gravity side of the AdS/CFT correspondence, we investigate the analytic properties of thermal retarded Green's functions for scalars, conserved currents, the stress tensor, and massless fermions. We provide some results concerning their large and small frequency behavior and their pole structure. From these results, it is straightforward to prove the validity of various sum rules on the field theory side of the duality. We introduce a novel contraction mapping we use to study the large frequency behavior of the Green's functions.
Gulotta Daniel R.
Herzog Christopher P.
Kaminski Matthias
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