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  A light-cone approach to three-point functions in AdS_5 x S^5

Klose, T., & McLoughlin, T. (2012). A light-cone approach to three-point functions in AdS_5 x S^5. Journal of high energy physics: JHEP, 2012(04): 080. doi:10.1007/JHEP04(2012)080.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-043C-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-5432-B
Genre: Journal Article

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1106.0495 (Preprint), 744KB
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 Creators:
Klose, Thomas, Author
McLoughlin, Tristan1, Author              
Affiliations:
1Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24016              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: We consider worldsheet correlation functions for strings in AdS_5 x S^5 using a light-cone gauge for the worldsheet theory. We compute the saddle-point approximation to three-point functions of BMN vertex operators, all with large charges, by explicitly finding the intersection of three euclidean BMN strings. We repeat this calculation for non-BPS circular winding strings extended along a great circle of the S^5, though in this case the appropriate form of the vertex operator is uncertain. Furthermore, we compute the spectrum of fluctuations about euclidean BMN strings for generic boundary conditions, and show that the spectrum depends only on the total charge and not the details of the string configuration. We extend our considerations to include near-BMN vertex operators and through the evaluation of the string path integral make contact with the light-cone string field theory calculations of gauge theory three-point structure constants.

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 Dates: 2011-06-022012
 Publication Status: Published in print
 Pages: 40 pages, 2 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1106.0495
DOI: 10.1007/JHEP04(2012)080
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2012 (04) Sequence Number: 080 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: /journals/resource/111021927548002