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  On a large N degeneracy in N=4 SYM and the AdS/CFT correspondence

Arutyunov, G., & Sokatchev, E. (2003). On a large N degeneracy in N=4 SYM and the AdS/CFT correspondence. Nuclear Physics B, 663, 163-196.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-52C0-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-52C1-C
Genre: Journal Article

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50941.pdf (Preprint), 378KB
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 Creators:
Arutyunov, Gleb1, Author
Sokatchev, E., Author
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Abstract: We study the four-point correlator of 12 -BPS operators of weight 4 in N = 4 SYM, which are dual to massive KK modes in AdS5 supergravity. General field-theoretic arguments lead to a partially non-renormalized form of the amplitude that depends on two a priori independent functions of the conformal cross-ratios. We explicitly compute the amplitude in the large N limit at one-loop (order g2) and in AdS5 supergravity. Surprisingly, the one-loop result shows that the two functions determining the amplitude coincide while in the supergravity regime they are distinctly different. We discuss the possible implications of this perturbative degeneracy for the AdS/CFT correspondence.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
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 Identifiers: eDoc: 50941
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Title: Nuclear Physics B
Source Genre: Journal
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Pages: - Volume / Issue: 663 Sequence Number: - Start / End Page: 163 - 196 Identifier: -