MAJORANA

作品数:152被引量:61H指数:5
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相关领域:理学更多>>
相关作者:王素新曹辉郭健宏梁奇锋张浩更多>>
相关机构:河北师范大学中国科学院大学东北师范大学北京理工大学更多>>
相关期刊:《Communications in Theoretical Physics》《Algebra Colloquium》《太原师范学院学报(自然科学版)》《物理学进展》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金河北省自然科学基金更多>>
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基于^(87)Sr光晶格钟的时域Landau-Zener-Stückelberg-Majorana干涉边带谱的测量
《物理学报》2025年第7期149-155,共7页夏京京 刘伟新 周驰华 谭巍 汪涛 常宏 
国家自然科学基金(批准号:62405327);科技创新2030-“量子通信与量子计算机”重大项目(批准号:2021ZD0300902)资助的课题。
时域Landau-Zener-Stückelberg-Majorana干涉在量子态操控、延长量子态寿命和抑制系统退相干方面具有重要应用价值.本文基于^(87)Sr光晶格钟平台,通过周期性调制698 nm钟激光频率并优化光钟系统参数,在快通道极限下实现了Landau-Zener...
关键词:Landau-Zener跃迁 时域Landau-Zener-Stückelberg-Majorana干涉 光晶格钟 
耦合Majorana束缚态下铁磁-量子点-超导系统的自旋相关热电特性
《太原师范学院学报(自然科学版)》2025年第1期61-71,共11页温祥 王强 
山西省应用基础研究计划项目(201901D211425,202103021223319);山西省高等学校科技创新项目(2021L417)。
利用非平衡格林函数和运动方程方法,从理论上研究了侧耦合Majorana束缚态铁磁-量子点-超导体系的自旋相关热电特性.研究发现,量子点与Majorana束缚态的耦合强度会使系统的热电和热自旋转换效率发生同量级的增大或减小.热电和热自旋转换...
关键词:量子点 超导结构 Majorana束缚态 热电和热自旋效应 
The Theory of the Extended Electron (Anti-Particles of Dirac and Majorana)
《Journal of High Energy Physics, Gravitation and Cosmology》2025年第1期183-202,共20页Hoa van Nguyen 
This theory proposes an extended model of the electron based on the image of the screened electron in the concept of vacuum polarization of QED. The extended electron consists of a negatively charged core −q0which is ...
关键词:The Extended Model of the Electron The Core (-q0) Static Electric Dipoles (-q +q) The Effective Electric Charge Q the Permittivity ε The Permeability μ 
Stripe charge order and its interaction with Majorana bound states in 2M-WS2 topological superconductors
《National Science Review》2025年第2期36-43,共8页Xuemin Fan Xiao-Qi Sun Penghao Zhu Yuqiang Fang Yongkang Ju Yonghao Yuan Jingming Yan Fuqiang Huang Taylor LHughes Peizhe Tang Qi-Kun Xue Wei Li 
supported by the National Natural Science Foundation of China(92365201,52388201,12234011,11427903 and 12374053);the Ministry of Science and Technology of China(2022YFA1403100);the Tsinghua University Initiative Scientific Research Program(to W.L.);the Beijing Young Talents Plan(to W.L.);the National Thousand-Young-Talents Program(to W.L.);the Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics(to P.T.);ARO MURI(W911NF2020166 to P.Z.and T.H.);the Gordon and Betty Moore Foundation’s EPiQS Initiative(GBMF8691 to X.S.).
To achieve logic operations via Majorana braiding,positional control of the Majorana bound states(MBSs)must be established.Here we report the observation of a striped surface charge order coexisting with superconducti...
关键词:Majorana bound states 2M-WS2 stripe charge order topological superconductor 
双量子点-拓扑超导体混合系统中的散粒噪声及其谱分解
《首都师范大学学报(自然科学版)》2025年第1期32-39,共8页陈开伟 刘振乡 郭航 郭健宏 
研究了双量子点-拓扑超导纳米线混合系统中电子输运过程的散粒噪声。该系统中可存在多种相干隧穿机制,本文研究了混合系统中,Majorana束缚态和Poorman’s Majorana束缚态都不存在、二者分别存在和同时存在时4种情形下的散粒噪声。研究表...
关键词:Majorana束缚态 量子点 散粒噪声 量子输运 谱分解 
Hinge Majorana flat band in type-Ⅱ Dirac semimetals
《Science China(Physics,Mechanics & Astronomy)》2024年第12期127-132,共6页Yue Xie Xianxin Wu Zhong Fang Zhijun Wang 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No.XDB33000000);the National Natural Science Foundation of China (Grant Nos.12188101,52188101;11974395);the Center for Materials Genome;supported by the National Key R&D Program of China (Grant No.2023YFA1407300);the National Natural Science Foundation of China(Grant No.12047503)。
Type-Ⅱ Dirac semimetals exhibit a unique Fermi surface topology,which allows them to host novel topological superconductivity(TSC).We reveal a novel inter-orbital superconducting state,corresponding to the B_(1u) and...
关键词:topological superconductivity Majorana fermions higher-order topology type-II Dirac semimetals 
Nonexistence of Majorana fermions in Kerr-Newman type spacetimes with nontrivial charge
《Chinese Physics C》2024年第11期156-161,共6页He-Qun Zhang Xiao Zhang 
Supported by the National Natural Science Foundation of China (12326602)。
We show that the Dirac equation is separated into four differential equations for time-periodic Majorana fermions in Kerr-Newman and Kerr-Newman-(A)dS spacetimes.Although they cannot be transformed into radial and ang...
关键词:Dirac equation Majorana fermion Kerr-Newman-type spacetime 
Majorana zero mode assisted spin pumping
《Frontiers of physics》2024年第5期85-94,共10页Mingzhou Cai Zhaoqi Chu Zhen-Hua Wang Yunjing Yu Bin Wang Jian Wang 
supported by the National Natural Science Foundation of China(Grant No.12034014);the Shenzhen Natural Science Foundation(Grant No.20231120172734001)。
We present a theoretical investigation of Majorana zero mode(MZM)assisted spin pumping which consists of a quantum dot(QD)and two normal leads.When the coupling between the MZM and the QD is absent,d.c.pure spin curre...
关键词:Majorana zero mode spin pumping 
Kagome晶格拓扑超导态的自旋轨道耦合效应
《湘潭大学学报(自然科学版)》2024年第5期112-122,共11页高全 李意芝 孟利军 
国家自然科学基金(11204261);湖南教育厅重点项目(19A471)。
该文基于Kagome晶格的紧束缚模型和Bogoliubov-de Gennes方程,使用数值对角化方法系统地研究了自旋轨道耦合(SOC)作用对Kagome晶格拓扑超导态的影响.通过计算得到的块体Kagome超导体的超导带隙(E_(gap))和陈数(N_(C)),以及Kagome纳米条...
关键词:拓扑超导体 Kagome晶格 拓扑相变 自旋轨道耦合效应 Majorana边界态 体边对应关系 
Embedded Majorana islands
《Science China(Physics,Mechanics & Astronomy)》2024年第9期154-164,共11页Jin-Xing Hou Alex Weststrom Rui Wang Wen-Li Yang Jian Li 
the support from the National Natural Science Foundation of China(Grant No.92265201);the support from the National Natural Science Foundation of China(Grant No.12247103);the support from the National Natural Science Foundation of China(Grant Nos.12322402,and 12274206);the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302704);the Shaanxi Fundamental Science Research Project for Mathematics and Physics(Grant No.22JSZ005)。
Mesoscopic superconducting islands hosting Majorana zero modes(MZMs),or Majorana islands in short,offer a prototype of topological qubits.In this work we investigate theoretically the model of a generic Majorana islan...
关键词:topological quantum computation Majorana zero modes topological qubit mesoscopic superconductor topological Kondo effect 
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