论文标题

Matchgate基准测试:连续的多头大门家族的可扩展基准测试

Matchgate benchmarking: Scalable benchmarking of a continuous family of many-qubit gates

论文作者

Helsen, Jonas, Nezami, Sepehr, Reagor, Matthew, Walter, Michael

论文摘要

我们提出了一种方法,可以可靠,有效地提取由连续参数化的两个Quition Gates组成的多数量子电路的保真度,称为Matchgates。我们称之为Matchgate基准测试的方法依赖于从随机基准测试以及匹配电路表示理论的见解中获得的高级技术。我们认为协议的形式正确性和可扩展性,并将其部署以估算由量子处理器上的两量XY旋转相互作用产生的匹配电路的性能。

We propose a method to reliably and efficiently extract the fidelity of many-qubit quantum circuits composed of continuously parametrized two-qubit gates called matchgates. This method, which we call matchgate benchmarking, relies on advanced techniques from randomized benchmarking as well as insights from the representation theory of matchgate circuits. We argue the formal correctness and scalability of the protocol, and moreover deploy it to estimate the performance of matchgate circuits generated by two-qubit XY spin interactions on a quantum processor.

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