Experimental realization of phase-controlled dynamics with hybrid digital–analog approach

Abstract Quantum simulation can be implemented in pure digital or analog ways, each with their pros and cons. By taking advantage of the universality of a digital route and the efficiency of analog simulation, hybrid digital–analog approaches can enrich the possibilities for quantum simulation. We u...

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Autores principales:	Ziyu Tao, Libo Zhang, Xiaole Li, Jingjing Niu, Kai Luo, Kangyuan Yi, Yuxuan Zhou, Hao Jia, Xu Zhang, Song Liu, Tongxing Yan, Yuanzhen Chen, Dapeng Yu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
Acceso en línea:	https://doaj.org/article/895c45f6c5524f1f9979b5d225465a7d
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spelling	oai:doaj.org-article:895c45f6c5524f1f9979b5d225465a7d2021-12-02T14:59:13ZExperimental realization of phase-controlled dynamics with hybrid digital–analog approach10.1038/s41534-021-00406-12056-6387https://doaj.org/article/895c45f6c5524f1f9979b5d225465a7d2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41534-021-00406-1https://doaj.org/toc/2056-6387Abstract Quantum simulation can be implemented in pure digital or analog ways, each with their pros and cons. By taking advantage of the universality of a digital route and the efficiency of analog simulation, hybrid digital–analog approaches can enrich the possibilities for quantum simulation. We use a hybrid approach to experimentally perform a quantum simulation of phase-controlled dynamics resulting from a closed-contour interaction (CCI) within certain multi-level systems in superconducting quantum circuits. Due to symmetry constraints, such systems cannot host an inherent CCI. Nevertheless, by assembling analog modules corresponding to their natural evolutions and specially designed digital modules constructed from standard quantum logic gates, we can bypass such constraints and realize an effective CCI in these systems. Based on this realization, we demonstrate a variety of related and interesting phenomena, including phase-controlled chiral dynamics, separation of chiral enantiomers, and a mechanism to generate entangled states based on CCI.Ziyu TaoLibo ZhangXiaole LiJingjing NiuKai LuoKangyuan YiYuxuan ZhouHao JiaXu ZhangSong LiuTongxing YanYuanzhen ChenDapeng YuNature PortfolioarticlePhysicsQC1-999Electronic computers. Computer scienceQA75.5-76.95ENnpj Quantum Information, Vol 7, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
spellingShingle	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 Ziyu Tao Libo Zhang Xiaole Li Jingjing Niu Kai Luo Kangyuan Yi Yuxuan Zhou Hao Jia Xu Zhang Song Liu Tongxing Yan Yuanzhen Chen Dapeng Yu Experimental realization of phase-controlled dynamics with hybrid digital–analog approach
description	Abstract Quantum simulation can be implemented in pure digital or analog ways, each with their pros and cons. By taking advantage of the universality of a digital route and the efficiency of analog simulation, hybrid digital–analog approaches can enrich the possibilities for quantum simulation. We use a hybrid approach to experimentally perform a quantum simulation of phase-controlled dynamics resulting from a closed-contour interaction (CCI) within certain multi-level systems in superconducting quantum circuits. Due to symmetry constraints, such systems cannot host an inherent CCI. Nevertheless, by assembling analog modules corresponding to their natural evolutions and specially designed digital modules constructed from standard quantum logic gates, we can bypass such constraints and realize an effective CCI in these systems. Based on this realization, we demonstrate a variety of related and interesting phenomena, including phase-controlled chiral dynamics, separation of chiral enantiomers, and a mechanism to generate entangled states based on CCI.
format	article
author	Ziyu Tao Libo Zhang Xiaole Li Jingjing Niu Kai Luo Kangyuan Yi Yuxuan Zhou Hao Jia Xu Zhang Song Liu Tongxing Yan Yuanzhen Chen Dapeng Yu
author_facet	Ziyu Tao Libo Zhang Xiaole Li Jingjing Niu Kai Luo Kangyuan Yi Yuxuan Zhou Hao Jia Xu Zhang Song Liu Tongxing Yan Yuanzhen Chen Dapeng Yu
author_sort	Ziyu Tao
title	Experimental realization of phase-controlled dynamics with hybrid digital–analog approach
title_short	Experimental realization of phase-controlled dynamics with hybrid digital–analog approach
title_full	Experimental realization of phase-controlled dynamics with hybrid digital–analog approach
title_fullStr	Experimental realization of phase-controlled dynamics with hybrid digital–analog approach
title_full_unstemmed	Experimental realization of phase-controlled dynamics with hybrid digital–analog approach
title_sort	experimental realization of phase-controlled dynamics with hybrid digital–analog approach
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/895c45f6c5524f1f9979b5d225465a7d
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Experimental realization of phase-controlled dynamics with hybrid digital–analog approach

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