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  From elliptic multiple zeta values to modular graph functions: open and closed strings at one loop

Broedel, J., Schlotterer, O., & Zerbini, F. (in preparation). From elliptic multiple zeta values to modular graph functions: open and closed strings at one loop.

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1803.00527.pdf (Preprint), 2MB
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 Creators:
Broedel, Johannes, Author
Schlotterer, Oliver1, Author           
Zerbini, Federico, Author
Affiliations:
1Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th,Mathematics, Number Theory, math.NT
 Abstract: We relate one-loop scattering amplitudes of massless open- and closed-string states at the level of their low-energy expansion. The modular graph functions resulting from integration over closed-string punctures are observed to follow from symmetrized open-string integrals through a tentative generalization of the single-valued projection known from genus zero.

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 Dates: 2018-03-01
 Publication Status: Not specified
 Pages: 48+15 pages
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 1803.00527
URI: http://arxiv.org/abs/1803.00527
 Degree: -

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