确定量子三点函数
Fixing the Quantum Three-Point Function
摘要：
本文提出了一种计算N=4超Yang-Mills理论中su（2）扇区中算符的量子三点函数的新方法.该方法是基于一个酉变换的存在有关的非均匀和长程自旋链。这种转换可以追溯到一个组合的提升运营商和非齐次版本的巴克斯特的角落转移矩阵。我们重现现有的结果，在一个简化的形式，并指出如何使用该方法在更高的循环订单的单循环结构常数。然后我们计算了准经典极限下的单圈结构常数，并与最近的强耦合计算结果进行了比较。
英文摘要：
We propose a new method for the computation of quantum three-point functions for operators in su(2) sectors of N=4 super Yang-Mills theory. The method is based on the existence of a unitary transformation relating inhomogeneous and long-range spin chains. This transformation can be traced back to a combination of boost operators and an inhomogeneous version of Baxter's corner transfer matrix. We reproduce the existing results for the one-loop structure constants in a simplified form and indicate how to use the method at higher loop orders. Then we evaluate the one-loop structure constants in the quasiclassical limit and compare them with the recent strong coupling computation.
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