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  Null Polygonal Wilson Loops in Full N=4 Superspace

Beisert, N., He, S., Schwab, B., & Vergu, C. (2012). Null Polygonal Wilson Loops in Full N=4 Superspace. Journal of Physics A: Mathematical and Theoretical, 45(26): 265402. doi:10.1088/1751-8113/45/26/265402.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-3B6D-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-3B70-4
Genre: Journal Article

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 Creators:
Beisert, N.1, Author           
He, S.2, Author           
Schwab, B.3, Author           
Vergu, C., Author
Affiliations:
1Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24016              
2Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society, ou_102878              
3Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: We compute the one-loop expectation value of light-like polygonal Wilson loops in N=4 super-Yang-Mills theory in full superspace. When projecting to chiral superspace we recover the known results for tree-level next-to-maximally-helicity-violating (NMHV) scattering amplitude. The one-loop MHV amplitude is also included in our result but there are additional terms which do not immediately correspond to scattering amplitudes. We finally discuss different regularizations and their Yangian anomalies.

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 Dates: 2012-012012
 Publication Status: Issued
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 Identifiers: arXiv: 1203.1443
DOI: 10.1088/1751-8113/45/26/265402
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Title: Journal of Physics A: Mathematical and Theoretical
Source Genre: Journal
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Publ. Info: London : IOP Pub.
Pages: - Volume / Issue: 45 (26) Sequence Number: 265402 Start / End Page: - Identifier: ISSN: 1751-8113
CoNE: https://pure.mpg.de/cone/journals/resource/954925513480_2