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arXiv 2010.08552hep-thhep-phmath-phmath.MP
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大量Feynman积分的Yangian引导

Yangian Bootstrap for Massive Feynman Integrals

Florian Loebbert, Julian Miczajka, Dennis Müller, Hagen Münkler

摘要:

我们扩展了对最近发现的大质量费曼积分的扬扬对称性及其与大质量动量空间共形对称性的关系的研究。在详细证明了一个和两个循环阶的对称性之后,我们采用共形和杨格约束来引导各种单循环的大规模费曼积分的例子。特别是,我们探讨了杨氏对称性和超几何表达式之间的相互作用所考虑的积分。基于这些例子,我们猜想单级数表示的所有对偶共形单圈积分在D时空维与一般的大规模传播。

英文摘要:

We extend the study of the recently discovered Yangian symmetry of massive Feynman integrals and its relation to massive momentum space conformal symmetry. After proving the symmetry statements in detail at one and two loop orders, we employ the conformal and Yangian constraints to bootstrap various one-loop examples of massive Feynman integrals. In particular, we explore the interplay between Yangian symmetry and hypergeometric expressions of the considered integrals. Based on these examples we conjecture single series representations for all dual conformal one-loop integrals in D spacetime dimensions with generic massive propagators.

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