Ergodic-Localized Junctions in a Periodically Driven Spin Chain
We report the analog simulation of an ergodic-localized junction by using an array of 12 coupled superconducting qubits. To perform the simulation, we fabricated a superconducting quantum processor that is divided into two domains: one is a driven domain representing an ergodic system, while the sec...
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| Veröffentlicht in: | Physical review letters 2020-10, Vol.125 (17), p.1-170503, Article 170503 |
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| creator | Zha, Chen Bastidas, V. M. Gong, Ming Wu, Yulin Rong, Hao Yang, Rui Ye, Yangsen Li, Shaowei Zhu, Qingling Wang, Shiyu Zhao, Youwei Liang, Futian Lin, Jin Xu, Yu Peng, Cheng-Zhi Schmiedmayer, J. Nemoto, Kae Deng, Hui Munro, W. J. Zhu, Xiaobo Pan, Jian-Wei |
| description | We report the analog simulation of an ergodic-localized junction by using an array of 12 coupled superconducting qubits. To perform the simulation, we fabricated a superconducting quantum processor that is divided into two domains: one is a driven domain representing an ergodic system, while the second is localized under the effect of disorder. Because of the overlap between localized and delocalized states, for a small disorder there is a proximity effect and localization is destroyed. To experimentally investigate this, we prepare a microwave excitation in the driven domain and explore how deep it can penetrate the disordered region by probing its dynamics. Furthermore, we perform an ensemble average over 50 realizations of disorder, which clearly shows the proximity effect. Our work opens a new avenue to build quantum simulators of driven-disordered systems with applications in condensed matter physics and material science. |
| doi_str_mv | 10.1103/PhysRevLett.125.170503 |
| format | Article |
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M. ; Gong, Ming ; Wu, Yulin ; Rong, Hao ; Yang, Rui ; Ye, Yangsen ; Li, Shaowei ; Zhu, Qingling ; Wang, Shiyu ; Zhao, Youwei ; Liang, Futian ; Lin, Jin ; Xu, Yu ; Peng, Cheng-Zhi ; Schmiedmayer, J. ; Nemoto, Kae ; Deng, Hui ; Munro, W. J. ; Zhu, Xiaobo ; Pan, Jian-Wei</creator><creatorcontrib>Zha, Chen ; Bastidas, V. M. ; Gong, Ming ; Wu, Yulin ; Rong, Hao ; Yang, Rui ; Ye, Yangsen ; Li, Shaowei ; Zhu, Qingling ; Wang, Shiyu ; Zhao, Youwei ; Liang, Futian ; Lin, Jin ; Xu, Yu ; Peng, Cheng-Zhi ; Schmiedmayer, J. ; Nemoto, Kae ; Deng, Hui ; Munro, W. J. ; Zhu, Xiaobo ; Pan, Jian-Wei</creatorcontrib><description>We report the analog simulation of an ergodic-localized junction by using an array of 12 coupled superconducting qubits. To perform the simulation, we fabricated a superconducting quantum processor that is divided into two domains: one is a driven domain representing an ergodic system, while the second is localized under the effect of disorder. Because of the overlap between localized and delocalized states, for a small disorder there is a proximity effect and localization is destroyed. To experimentally investigate this, we prepare a microwave excitation in the driven domain and explore how deep it can penetrate the disordered region by probing its dynamics. Furthermore, we perform an ensemble average over 50 realizations of disorder, which clearly shows the proximity effect. Our work opens a new avenue to build quantum simulators of driven-disordered systems with applications in condensed matter physics and material science.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.125.170503</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Analog simulation ; Condensed matter physics ; Domains ; Ergodic processes ; Microprocessors ; Proximity effect (electricity) ; Qubits (quantum computing) ; Simulation ; Simulators ; Superconductivity</subject><ispartof>Physical review letters, 2020-10, Vol.125 (17), p.1-170503, Article 170503</ispartof><rights>Copyright American Physical Society Oct 23, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-d9a9714c2a9c72e437b138247b36f96ab4a3fd6bbfc80763fa06b2601c71f4c93</citedby><cites>FETCH-LOGICAL-c382t-d9a9714c2a9c72e437b138247b36f96ab4a3fd6bbfc80763fa06b2601c71f4c93</cites><orcidid>0000-0003-3938-0808 ; 0000-0002-5534-2177 ; 0000-0003-1835-2250 ; 0000-0001-7799-5614</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2862,2863,27902,27903</link.rule.ids></links><search><creatorcontrib>Zha, Chen</creatorcontrib><creatorcontrib>Bastidas, V. 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Furthermore, we perform an ensemble average over 50 realizations of disorder, which clearly shows the proximity effect. Our work opens a new avenue to build quantum simulators of driven-disordered systems with applications in condensed matter physics and material science.</description><subject>Analog simulation</subject><subject>Condensed matter physics</subject><subject>Domains</subject><subject>Ergodic processes</subject><subject>Microprocessors</subject><subject>Proximity effect (electricity)</subject><subject>Qubits (quantum computing)</subject><subject>Simulation</subject><subject>Simulators</subject><subject>Superconductivity</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpd0M9LwzAUwPEgCs7pvyAFL14630uypDmJzPmLgsMf55Cmqcuo7Uzawfzr7ZgH8fQO78Pj8SXkHGGCCOxqsdzGF7fJXddNkE4nKGEK7ICMEKRKJSI_JCMAhqkCkMfkJMYVACAV2Yhcz8NHW3qb5q01tf92ZfLUN7bzbRMT3yQmWbjgd8LU9Ta5DX7jmuR1PaxmS-ObU3JUmTq6s985Ju9387fZQ5o_3z_ObvLUsox2aamMksgtNcpK6jiTBQ4LLgsmKiVMwQ2rSlEUlc1AClYZEAUVgFZixa1iY3K5v7sO7VfvYqc_fbSurk3j2j5qyqeZpJkCOtCLf3TV9qEZvhuUUBkHxWBQYq9saGMMrtLr4D9N2GoEveuq_3TVQ1e978p-ACcabSk</recordid><startdate>20201022</startdate><enddate>20201022</enddate><creator>Zha, Chen</creator><creator>Bastidas, V. 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J.</au><au>Zhu, Xiaobo</au><au>Pan, Jian-Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ergodic-Localized Junctions in a Periodically Driven Spin Chain</atitle><jtitle>Physical review letters</jtitle><date>2020-10-22</date><risdate>2020</risdate><volume>125</volume><issue>17</issue><spage>1</spage><epage>170503</epage><pages>1-170503</pages><artnum>170503</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We report the analog simulation of an ergodic-localized junction by using an array of 12 coupled superconducting qubits. To perform the simulation, we fabricated a superconducting quantum processor that is divided into two domains: one is a driven domain representing an ergodic system, while the second is localized under the effect of disorder. Because of the overlap between localized and delocalized states, for a small disorder there is a proximity effect and localization is destroyed. 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| source | American Physical Society Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Analog simulation Condensed matter physics Domains Ergodic processes Microprocessors Proximity effect (electricity) Qubits (quantum computing) Simulation Simulators Superconductivity |
| title | Ergodic-Localized Junctions in a Periodically Driven Spin Chain |
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