论文标题

量子计算机上的实时演变和SU(2)纯仪表理论的旅行激发

Real time evolution and a traveling excitation in SU(2) pure gauge theory on a quantum computer

论文作者

Rahman, Sarmed A, Lewis, Randy, Mendicelli, Emanuele, Powell, Sarah

论文摘要

可以成功地使用哈密顿量方法来研究有关可用嘈杂量子计算机的非亚伯晶格仪理论的实时演变。在这项工作中,介绍了SU(2)纯仪表理论的实时演变。通过使用一系列误差缓解技术,实现了较长的实时演变,跨越了数百个CNOT大门的数十个猪跑步步骤,并且在晶格上观察了晶格的旅行激发。自我减轻是我们的新工具,它包括使用相同的物理电路作为降噪电路。

The Hamiltonian approach can be used successfully to study the real-time evolution of a non-Abelian lattice gauge theory on the available noisy quantum computers. In this work, results from the real-time evolution of SU(2) pure gauge theory on IBM hardware are presented. The long real-time evolution spanning dozens of Trotter steps with hundreds of CNOT gates and the observation of a traveling excitation on the lattice were made possible by using a collection of error mitigation techniques. Self-mitigation is our novel tool, which consists of using the same physics circuit as a noise-mitigation circuit.

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