多圈散射振幅因果关系查询的量子算法
Quantum Algorithm for Querying Causality of Multiloop Scattering Amplitudes
摘要：
量子算法的第一个应用费曼回路积分进行审查。量子计算和微扰量子场论之间的联系是可行的，因为费曼传播子的两个壳层上态自然地编码在一个量子比特中。要解决的具体问题是识别因果奇异配置的多回路费曼图。这种配置的识别是通过执行一个修改后的Grover的量子算法查询多个解决方案在非结构化数据集。
英文摘要：
The first application of a quantum algorithm to Feynman loop integrals is reviewed. The connection between quantum computing and perturbative quantum field theory is feasible due to fact that the two on-shell states of a Feynman propagator are naturally encoded in a qubit. The particular problem to be addressed is the identification of the causal singular configurations of multiloop Feynman diagrams. The identification of such configurations is carried out through the implementation of a modified Grover's quantum algorithm for querying multiple solutions over unstructured datasets.
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