Journal
NUCLEAR PHYSICS B
Volume 822, Issue 1-2, Pages 301-347Publisher
ELSEVIER
DOI: 10.1016/j.nuclphysb.2009.07.026
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Funding
- Department of Energy [DE-FG02-91ER40676]
- MEXT [20740128]
- DOE [DE-FG02-92ER40706]
- US Department of Energy [DE-FG02-91ER40688]
- Grants-in-Aid for Scientific Research [20740128] Funding Source: KAKEN
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As a consequence of the AdS/CFT correspondence, planar N = 4 super-Yang-Mills SU(N) theory is expected to exhibit stringy behavior and multi-Regge asymptotic. fit this paper we extend our recent investigation to consider issues of analyticity, a central feature of Regge asymptotics. We contrast flat-space open string theory in the planar limit with the N = 4 super-Yang-Mills theory, as represented by the Bern, Dixon and Smirnov (2005) [1] (BIDS) conjecture for n-gluon scattering, believed to be exact for it = 4, 5 and modified only by a function of cross-ratios for n >= 6. It is emphasized that multi-Regge factorization should be applied to trajectories with definite signature. A variety of analyticity and factorization constraints realized in flat space string theory are not satisfied by the BIDS conjecture. at least when the exponential factors are truncate in the infra-red regulator below O(epsilon). (C) 2009 Elsevier B.V. All rights reserved.
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