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arXiv 1702.04279hep-phhep-th
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多重多项式之外多尺度Feynman积分微分方程的简化

Simplifying differential equations for multi-scale Feynman integrals beyond multiple polylogarithms

Luise Adams, Ekta Chaubey, Stefan Weinzierl

摘要:

在本文中,我们利用Picard-Fuchs算子的因式分解性质解耦微分方程的多尺度费曼积分。该算法减少了微分方程的块的大小的顺序的Picard-Fuchs算子的不可约因子。作为一个副积,我们的方法可以用来很容易地转换的费曼积分的微分方程,评估多个多项式的$\varepsilon$ -形式。

英文摘要:

In this paper we exploit factorisation properties of Picard-Fuchs operators to decouple differential equations for multi-scale Feynman integrals. The algorithm reduces the differential equations to blocks of the size of the order of the irreducible factors of the Picard-Fuchs operator. As a side product, our method can be used to easily convert the differential equations for Feynman integrals which evaluate to multiple polylogarithms to $\varepsilon$-form.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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