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  Abelian Z-theory: NLSM amplitudes and alpha'-corrections from the open string

Carrasco, J. J. M., Mafra, C. R., & Schlotterer, O. (2017). Abelian Z-theory: NLSM amplitudes and alpha'-corrections from the open string. Journal of high energy physics: JHEP, 2017(06): 093. doi:10.1007/JHEP06(2017)093.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-5FC0-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-081D-9
Genre: Journal Article

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 Creators:
Carrasco, John Joseph M., Author
Mafra, Carlos R.1, Author              
Schlotterer, Oliver2, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              
2Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th,Mathematical Physics, math-ph,Mathematics, Mathematical Physics, math.MP
 Abstract: In this paper we derive the tree-level S-matrix of the effective theory of Goldstone bosons known as the non-linear sigma model (NLSM) from string theory. This novel connection relies on a recent realization of tree-level open-superstring S-matrix predictions as a double copy of super-Yang-Mills theory with Z-theory --- the collection of putative scalar effective field theories encoding all the alpha'-dependence of the open superstring. Here we identify the color-ordered amplitudes of the NLSM as the low-energy limit of abelian Z-theory. This realization also provides natural higher-derivative corrections to the NLSM amplitudes arising from higher powers of alpha' in the abelian Z-theory amplitudes, and through double copy also to Born-Infeld and Volkov-Akulov theories. The Kleiss-Kuijf and Bern-Carrasco-Johansson relations obeyed by Z-theory amplitudes thereby apply to all alpha'-corrections of the NLSM. As such we naturally obtain a cubic-graph parameterization for the abelian Z-theory predictions whose kinematic numerators obey the duality between color and kinematics to all orders in alpha'.

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 Dates: 2016-08-082017
 Publication Status: Published in print
 Pages: 32 pages
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 Rev. Method: -
 Identifiers: arXiv: 1608.02569
URI: http://arxiv.org/abs/1608.02569
DOI: 10.1007/JHEP06(2017)093
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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: 2017 (06) Sequence Number: 093 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002