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Planar amplitudes in maximally supersymmetric Yang-Mills theory.
MedLine Citation:
PMID:  14754105     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The collinear factorization properties of two-loop scattering amplitudes in dimensionally regulated N=4 super-Yang-Mills theory suggest that, in the planar ('t Hooft) limit, higher-loop contributions can be expressed entirely in terms of one-loop amplitudes. We demonstrate this relation explicitly for the two-loop four-point amplitude and, based on the collinear limits, conjecture an analogous relation for n-point amplitudes. The simplicity of the relation is consistent with intuition based on the anti-de Sitter/conformal field theory correspondence that the form of the large-N(c) L-loop amplitudes should be simple enough to allow a resummation to all orders.
Authors:
C Anastasiou; L Dixon; Z Bern; D A Kosower
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Publication Detail:
Type:  Journal Article     Date:  2003-12-18
Journal Detail:
Title:  Physical review letters     Volume:  91     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2003 Dec 
Date Detail:
Created Date:  2004-02-02     Completed Date:  2004-03-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  251602     Citation Subset:  -    
Affiliation:
Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309, USA.
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