期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP12(2011)011
关键词
Supersymmetric gauge theory; Integrable Field Theories; AdS-CFT Correspondence
资金
- U.S. Department of Energy [DE-FG02-90ER40542]
- Government of Canada through NSERC
- Province of Ontario through MRI
- Institute for Advanced Study
- NSF [PHY-0503584]
- Province of Ontario through ERA [ER 06-02-293]
- [PTDC/FIS/099293/2008]
- [CERN/FP/109306/2009]
- Direct For Mathematical & Physical Scien
- Division Of Physics [969448] Funding Source: National Science Foundation
- Fundação para a Ciência e a Tecnologia [CERN/FP/109306/2009] Funding Source: FCT
Using the Operator Product Expansion for Wilson loops we derive a simple formula giving the discontinuities of the two loop result in terms of the one loop answer. We also argue that the knowledge of these discontinuities should be enough to fix the full two loop answer, for a general number of sides. We work this out explicitly for the case of the hexagon and rederive the known result.
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