期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP01(2019)155
关键词
Gauge-gravity correspondence; Superstrings and Heterotic Strings
资金
- National Science Foundation [NSF PHY17-48958]
- Perimeter Institute for Theoretical Physics
- Government of Canada through the Department of Innovation, Science and Economic Development Canada
- Province of Ontario through the Ministry of Research, Innovation and Science
- Max Planck Institute for Mathematics
- French public grant as part of the Investissement d'avenir project [ANR-11-LABX-0056-LMH]
- LabEx LMH
- European Union [PCOFUND-GA-2013-609102]
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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