超回路的下降方程与OPE的循环性
Descent equation for superloop and cyclicity of OPE
摘要：
本文在五边形算子乘积展开的框架下研究了零多边形超对称威尔逊圈的下降方程。为了正确地解决这个问题，需要恢复由OPE通道的选择所破坏的循环的周期性。在研究的过程中，我们解开的扭曲增强的现象时，通过一个循环移位的通道。目前，我们专注于所有阶下降方程的特定情况下有关的NMHV七边形MHV六边形的一致性。我们发现，该方程建立了不同的扭曲的贡献之间的关系，并成功地验证了它在微扰理论利用现有的自助预测基本五边形。
英文摘要：
We study the so-called Descent, or Q-bar, Equation for the null polygonal supersymmetric Wilson loop in the framework of the pentagon operator product expansion. To properly address this problem, one requires to restore the cyclicity of the loop broken by the choice of OPE channels. In the course of the study, we unravel a phenomenon of twist enhancement when passing to a cyclically shifted channel. Currently, we focus on the consistency of the all-order Descent equation for the particular case relating the NMHV heptagon to MHV hexagon. We find that the equation establishes a relation between contributions of different twists and successfully verify it in perturbation theory making use of available bootstrap predictions for elementary pentagons.
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