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

From elliptic multiple zeta values to modular graph functions: open and closed strings at one loop
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从椭圆多重 zeta 值到模块化图函数:一个循环中的开弦和闭弦

DOI:
10.1007/jhep01(2019)155
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发表时间:
2018
影响因子:
5.4
通讯作者:
Federico Zerbini
Federico Zerbini
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Johannes Broedel;O. Schlotterer;Federico Zerbini

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摘要本文讨论了无质量开弦和闭弦态在低能膨胀水平上的单环散射振幅。通过对从零属已知的单值投影的初步推广,观察到由闭弦点上的积分得到的模图函数是由对称开弦积分得到的。
A bstractWe 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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影响因子: 1.3
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影响因子: --
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