Two dialects for KZB equations: generating one-loop open-string integrals

被引：0
作者：
Johannes Broedel
André Kaderli
Oliver Schlotterer
机构：
[1] Humboldt-Universität zu Berlin,Institut für Mathematik und Institut für Physik
[2] Albert-Einstein-Institut,Max
[3] Uppsala University,Planck
来源：
Journal of High Energy Physics | / 2020卷
关键词：
Differential and Algebraic Geometry; Superstrings and Heterotic Strings;
D O I：
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学科分类号：
摘要：
Two different constructions generating the low-energy expansion of genus-one configuration-space integrals appearing in one-loop open-string amplitudes have been put forward in refs. [1–3]. We are going to show that both approaches can be traced back to an elliptic system of Knizhnik-Zamolodchikov-Bernard(KZB) type on the twice-punctured torus.
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