Spin qubits and superconducting qubits are promising candidates for realizing solid-state quantum information processors.Designing a hybrid architecture that combines the advantages of different qubits on the same chi...Spin qubits and superconducting qubits are promising candidates for realizing solid-state quantum information processors.Designing a hybrid architecture that combines the advantages of different qubits on the same chip is a highly desirable but challenging goal.Here we propose a hybrid architecture that utilizes a high-impedance SQUID array resonator as a quantum bus,thereby coherently coupling different solid-state qubits.We employ a resonant exchange spin qubit hosted in a triple quantum dot and a superconducting transmon qubit.Since this hybrid system is highly tunable,it can operate in a dispersive regime,where the interaction between the different qubits is mediated by virtual photons.By utilizing such interactions,entangling gate operations between different qubits can be realized in a short time of 30 ns with a fidelity of up to 96.5%under realistic parameter conditions.Further utilizing this interaction,remote entangled state between different qubits can be prepared and is robust to perturbations of various parameters.These results pave the way for exploring efficient fault-tolerant quantum computation on hybrid quantum architecture platforms.展开更多
目的观察带状疱疹后遗神经痛(PHN)大鼠脊髓背角组织线粒体泛素连接酶(MITOL)表达变化,并探讨其意义。方法将50只SD大鼠随机分为观察组和对照组各25例,观察组大鼠左趾璞注射水痘带状疱疹病毒接种溶液制备PHN模型,对照组大鼠左趾璞注射同...目的观察带状疱疹后遗神经痛(PHN)大鼠脊髓背角组织线粒体泛素连接酶(MITOL)表达变化,并探讨其意义。方法将50只SD大鼠随机分为观察组和对照组各25例,观察组大鼠左趾璞注射水痘带状疱疹病毒接种溶液制备PHN模型,对照组大鼠左趾璞注射同等剂量的0.9%氯化钠液,采用Western blotting法检测不同时点(注射前及注射后3、7、14、21 d每组取5只大鼠处死)大鼠脊髓背角组织MITOL。结果与对照组比较,观察组注射3、7、14、21 d MITOL表达升高(P均<0.05);与同组注射前比较,观察组注射3、7、14、21 d MITOL表达升高(P均<0.01)。结论 PHN大鼠脊髓背角组织MITOL表达升高,其可能参与了PHN的产生和维持。展开更多
“互联网+教育”是当前教育改革与实践中的热点与热词,它不是现有教育的网络化,而是技术推动教育产生至关重要的变革的基础.通过文献计量法了解“互联网+教育”发展的现状,并预测未来发展的趋势,为后续研究提供参考与借鉴依据.本研究以...“互联网+教育”是当前教育改革与实践中的热点与热词,它不是现有教育的网络化,而是技术推动教育产生至关重要的变革的基础.通过文献计量法了解“互联网+教育”发展的现状,并预测未来发展的趋势,为后续研究提供参考与借鉴依据.本研究以“互联网+教育”为主题词检索了CNKI(China National Knowledge Infrastructure)数据库中1998-2020年的文章,共1171篇,利用CiteSpace对1171篇文章进行作者、研究机构的共现分析,关键词聚类分析以及突现分析.研究发现,当前我国“互联网+教育”存在4大主题、5大聚类.突现词分析结果表明当前研究呈现3大趋势:①逐步利用互联网思维探索教育供给范式;②不同教育类型不断转型与发展;③多种教育形态正与新兴信息技术进行深度融合.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11974336 and 12304401)the National Key R&D Program of China(Grant No.2017YFA0304100)+1 种基金the Key Project of Natural Science Research in Universities of Anhui Province(Grant No.KJ2021A1107)the Scientific Research Foundation of Suzhou University(Grant Nos.2020BS006 and 2021XJPT18).
文摘Spin qubits and superconducting qubits are promising candidates for realizing solid-state quantum information processors.Designing a hybrid architecture that combines the advantages of different qubits on the same chip is a highly desirable but challenging goal.Here we propose a hybrid architecture that utilizes a high-impedance SQUID array resonator as a quantum bus,thereby coherently coupling different solid-state qubits.We employ a resonant exchange spin qubit hosted in a triple quantum dot and a superconducting transmon qubit.Since this hybrid system is highly tunable,it can operate in a dispersive regime,where the interaction between the different qubits is mediated by virtual photons.By utilizing such interactions,entangling gate operations between different qubits can be realized in a short time of 30 ns with a fidelity of up to 96.5%under realistic parameter conditions.Further utilizing this interaction,remote entangled state between different qubits can be prepared and is robust to perturbations of various parameters.These results pave the way for exploring efficient fault-tolerant quantum computation on hybrid quantum architecture platforms.
文摘目的观察带状疱疹后遗神经痛(PHN)大鼠脊髓背角组织线粒体泛素连接酶(MITOL)表达变化,并探讨其意义。方法将50只SD大鼠随机分为观察组和对照组各25例,观察组大鼠左趾璞注射水痘带状疱疹病毒接种溶液制备PHN模型,对照组大鼠左趾璞注射同等剂量的0.9%氯化钠液,采用Western blotting法检测不同时点(注射前及注射后3、7、14、21 d每组取5只大鼠处死)大鼠脊髓背角组织MITOL。结果与对照组比较,观察组注射3、7、14、21 d MITOL表达升高(P均<0.05);与同组注射前比较,观察组注射3、7、14、21 d MITOL表达升高(P均<0.01)。结论 PHN大鼠脊髓背角组织MITOL表达升高,其可能参与了PHN的产生和维持。
文摘“互联网+教育”是当前教育改革与实践中的热点与热词,它不是现有教育的网络化,而是技术推动教育产生至关重要的变革的基础.通过文献计量法了解“互联网+教育”发展的现状,并预测未来发展的趋势,为后续研究提供参考与借鉴依据.本研究以“互联网+教育”为主题词检索了CNKI(China National Knowledge Infrastructure)数据库中1998-2020年的文章,共1171篇,利用CiteSpace对1171篇文章进行作者、研究机构的共现分析,关键词聚类分析以及突现分析.研究发现,当前我国“互联网+教育”存在4大主题、5大聚类.突现词分析结果表明当前研究呈现3大趋势:①逐步利用互联网思维探索教育供给范式;②不同教育类型不断转型与发展;③多种教育形态正与新兴信息技术进行深度融合.