FLOQUET

作品数:105被引量:100H指数:5
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相关作者:胡国辉周哲玮王艳霞马勇周斌更多>>
相关机构:中国科学院大学哈尔滨工业大学山西大学清华大学更多>>
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射频场缀饰的直流电场Floquet-电磁诱导透明光谱特性研究
《物理学报》2025年第8期136-142,共7页段昊男 姬中华 刘伟新 苏殿强 李经宽 赵延霆 
国家重点研发计划(批准号:2022YFA1404203);国家自然科学基金(批准号:12274272,12034012);高等学校学科创新引智基地(111计划)(批准号:D18001)资助的课题.
在室温铯原子气室中利用探测光(852 nm)与耦合光(510 nm)构建的里德伯阶梯型结构,实现了基于射频场缀饰的直流电场Floquet-电磁诱导透明(Floquet-electromagnetically induced transparency,Floquet-EIT)光谱,并研究了直流电场下的Floqu...
关键词:里德伯原子 电磁诱导透明 Floquet-电磁诱导透明边带 射频调制 
基于动力刚度理论和Wittrick-Williams算法的多段梁点阵色散研究
《应用数学和力学》2025年第2期154-164,共11页彭长清 刘金兴 
国家自然科学基金(11972174)。
基于动力刚度法(DSM)表述了多段梁(MSB)点阵的动态响应,进而利用Wittrick-Williams(WW)算法计算其各阶固有频率.首先,根据MSB内部节点处的位移与应力连续条件,以分块矩阵组装的形式得到了MSB的动力刚度矩阵.利用这种方法获得的MSB动力...
关键词:动力刚度法 Wittrick-Williams算法 Floquet边界条件 多段梁点阵 色散曲线 
Angular-adaptive spin-locked retroreflectors based on reconfigurable origami two-dimensional metagrating
《Chinese Optics Letters》2025年第1期1-6,共6页Zhibiao Zhu Yongfeng Li Zhe Qin Lixin Jiang Wenjie Wang Hongya Chen Jiafu Wang Lin Zheng Shaobo Qu 
supported by the National Natural Science Foundation of China(Nos.61971437,61971341,and 61971435);the National Key Research and Development Program of China(No.2022YFB3806200)。
The retroreflector based on a gradient metasurface can reflect electromagnetic(EM)waves to the source,and it is small in size and lightweight.However,even if the previous retroreflectors can be used for angle adaptati...
关键词:angle adaptationthe RECONFIGURABLE gradient metasurface two dimensional ORIGAMI angular adaptive spin locked suppressing unwanted floquet diffraction channelsafter 
复杂薄壁件五轴铣削的刀具姿态稳定性预测
《上海航天(中英文)》2024年第S2期51-59,共9页储金辉 吴禹鹏 许川 张尚雄 潘华东 
国家专项(2207-370104-07-02-106030)
在五轴数控加工过程中,由于刀具与工件之间的啮合关系错综复杂,往往会出现铣削颤振现象等,严重影响了加工工艺性,容易造成加工精度下降,加工表面质量差,还可能缩短刀具使用寿命。基于五轴铣削加工稳定性要求,分析主轴转速和轴向切削深...
关键词:五轴铣削 刀具姿态 Floquet原理 稳定性预测 
Floquet engineering of a dynamical Z2 lattice gauge field with ultracold atoms
《Chinese Physics B》2024年第11期193-199,共7页Xiangxiang Sun Hao-Yue Qi Pengfei Zhang Wei Zheng 
Project supported by the National Natural Science Foundation of China(Grant Nos.GG2030007011(WZ),GG203004045(WZ),12374477(PZ));Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302004(WZ))。
Gauge field theory is a fundamental concept in modern physics,attracting many theoretical and experimental efforts towards its simulation.In this paper we propose that a simple model,in which fermions coupled to a dyn...
关键词:gauge theory quantum simulations 
Manipulation of High-Fidelity Sidebands under Large Detuning by Floquet Technology:Application to Multi-Mode Cooling
《Chinese Physics Letters》2024年第11期53-61,共9页Xue-Ying Yang Zi-Dong Lin Shu-Ying Mu Wei Wu Chun-Wang Wu Yi Xie Ping-Xing Chen 
supported by the National Natural Science Foundation of China(Grant Nos.11904402,12174447,12074433,12004430,and 12174448)。
The Floquet technology,a powerful way to manipulate quantum states,is employed to drive sidebands transition under large detuning.Our results demonstrate that high fidelities over 99%can be achieved through optimizing...
关键词:tuning BANDS scheme 
Eikonal approximation for Floquet scattering
《Communications in Theoretical Physics》2024年第11期48-53,共6页Yaru Liu Peng Zhang 
supported by the National Key Research and Development Program of China (Grant No.2022YFA1405300);the Innovation Program for Quantum Science and Technology (Grant No.2023ZD0300700)。
The eikonal approximation(EA)is widely used in various high-energy scattering problems.In this work we generalize this approximation from the scattering problems with time-independent Hamiltonian to the ones with peri...
关键词:Eikonal Approximation Floquet Scattering high-energy scattering 
Spectral observation of symmetry-protected selection rules for dynamical high-dimensional parity in alignment magnetic resonance
《Science China(Physics,Mechanics & Astronomy)》2024年第10期1-11,共11页Xu-Xing Geng Kai Jin Lu Zhou Wang-Wang Tang Guoqing Yang Shangqing Liang Shao-Ping Wu Guang-Ming Huang Gao-Xiang Li 
supported by the National Natural Science Foundation of China(Grant Nos.12174139 and 12374330)。
Multidimensional Floquet-driven alignment systems with dynamical symmetry present various exotic phenomena and applications.However,there are challenges in directly characterizing large-spin dynamical symmetry from sp...
关键词:dynamical high-dimensional symmetry symmetry-protected selection rules large-spin alignment magnetic resonance Floquet two-mode detection 
Topological edge states in a photonic Floquet insulator with unpaired Dirac cones
《Photonics Research》2024年第10期2078-2087,共10页HUA ZHONG YAROSLAV VKARTASHOV YONGDONG LI MING LI YIQI ZHANG 
Natural Science Basic Research Program of Shaanxi Province(2024JC-JCQN-06);National Natural Science Foundation of China(12074308,12304370);Fundamental Research Funds for the Central Universities(sxzy012024146);Research Project of the Institute of Spectroscopy of the Russian Academy of Sciences(FFUU-2024-0003)。
Topological insulators are most frequently constructed using lattices with specific degeneracies in their linear spectra,such as Dirac points.For a broad class of lattices,such as honeycomb ones,these points and assoc...
关键词:spectrum DIRAC CONES 
基于弗洛凯特理论的Halo轨道辐轮构型编队控制设计
《宇航学报》2024年第9期1408-1418,共11页闫雪梅 杜博皓 徐明 张锐 胡志强 
面向未来使用平动点航天器编队进行深空探测的需求,研究了特殊的定向辐轮构型航天器编队在日地L2平动点Halo轨道上的动力学和相关控制问题。首先,建立了圆型限制性三体问题(CRTBP)的相对动力学和辐轮构型编队模型的数学表达;其次,基于Fl...
关键词:深空探测 HALO轨道 编队控制 Floquet模态法 解析解 
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