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SPECTRA: 作品数：1136被引量：1441H指数：13; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨世学刘宇明何荣幸胡超陈颖更多>>; 相关机构：中国科学院广州海洋地质调查局东南大学上海交通大学更多>>; 相关期刊：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国家高技术研究发展计划更多>>

Spherical-like spectra for the description of the normal states of ^(108-120)Cd in the SU3-IBM and the Q2_(1)^(+) anomaly: 《Chinese Physics C》2025年第1期255-268,共14页Tao Wang Xin Chen Yu Zhang; Supported by the Educational Department of Jilin Province,China(JJKH20210526KJ);supported by the National Natural Science Foundation of China(11875158)。; The Cd puzzle implies that the phonon excitation of a spherical nucleus should be questioned and refuted.To understand the newly and experimentally discovered spherical-like γ-soft mode,the SU3-IBM was recently propo...; 关键词：SU3-IBM Cd puzzle ^(108-120)Cd spherical-like spectrum Q2_(1)^(+)anomaly

Global structure of spectra of periodic non-Hermitian Jacobi operators: 《Science China Mathematics》2024年第12期2753-2770,共18页Hui Lu Jiangong You; supported by National Key R&D Program of China (Grant No. 2020YFA0713300);Nankai Zhide Foundation。; We give global structure of spectra of periodic non-Hermitian Jacobi operators by the discriminant and its stationary points. We also give necessary and sufficient conditions for real spectra and single interval spectra.; 关键词：periodic Jacobi operator non-Hermitian operator global structure real spectra

Influence of sampling on three-dimensional surface shape measurement: 《中国光学（中英文）》2024年第6期1512-1520,共9页QIAO Nao-sheng Shang Xue; 湖南省教育厅科学研究重点项目(No.22A0484);国家自然科学基金(No.12104150)。; In order to accurately measure an object’s three-dimensional surface shape,the influence of sampling on it was studied.First,on the basis of deriving spectra expressions through the Fourier transform,the generation o...; 关键词：three-dimensional surface shape measurement sampling interval spectra overlapping measurement accuracy

Snapshot coherent diffraction imaging across ultra-broadband spectra: 《Photonics Research》2024年第9期2068-2077,共10页BOYANG LI ZEHUA XIAO HAO YUAN PEI HUANG HUABAO CAO HUSHAN WANG WEI ZHAO YUXI FU; National Key Research and Development Program of China(2022YFE0111500);Young Scientist Basic Research Program of the Chinese Academy of Sciences(YSBR-091);Natural Science Basic Research Program of Shaanxi Province(2019JCW-03);Major Science and Technology Infrastructure Pre-research Program of the CAS(J20-021-III);Key Deployment Research Program of XIOPM(S19-020-III);Innovation Team in Shaanxi Province(2021TD-01);Youth Innovation Promotion Association of the Chinese Academy of Sciences(2021404);International Partnership Program of Chinese Academy of Sciences(115GJHZ2023023FN).; Ultrafast imaging simultaneously pursuing high temporal and spatial resolution is a key technique to study the dynamics in the microscopic world.However,the broadband spectra of ultra-short pulses bring a major challe...; 关键词：COHERENT thereby SPECTRA

Rotational Doppler effect of composite vortex beams with tailored OAM spectra: 《Photonics Research》2024年第8期1665-1672,共8页YUTIAN LIANG RUIJIAN LI JIE ZHAO XINGYUAN LU TONG LIU ZHENGLIANG LIU YUAN REN CHENGLIANG ZHAO; National Natural Science Foundation of China(61805283,62173342)。; There recently has been increasing interest in the research and application of the rotational Doppler effect(RDE),which paves a promising way to detect rotating objects remotely.In order to obtain more information abo...; 关键词：OAM COMPOSITE ROTATING

Development and Application of Ultrafast Circular Dichroism Spectroscopy Techniques: 《Chinese Journal of Chemical Physics》2024年第4期449-460,I0093,共13页Tong Cui Menghui Jia Peicong Wu Ke Hu Xueli Wang Sanjun Zhang Haifeng Pan Jinquan Chen; funded by the National Natural Science Foundation of China(No.92156024and No.92356307 to Jinquan Chen);Menghui Jia thanks the Materials Characterization Center and the Office of Laboratory and Equipment of East China Normal University for funding support(ECNUETR2023-13).; Chirality hold broad applications in life sciences,quantum devices,and various other areas.Traditionally,molecular chirality can be characterized by using steady-state circular dichroism spectroscopy.However,the techn...; 关键词：Excited state chirality Femtosecond time-resolved circular dichroism spectroscopy Ultrafast dynamics Chiral spectra

Temperature fluctuations and heat transport in partitioned supergravitational thermal turbulence: 《Acta Mechanica Sinica》2024年第6期20-30,共11页Dongpu Wang Jing Liu Rushi Lai Chao Sun; supported by the National Natural Science Foundation of China(Grant No.11988102);the New Cornerstone Science Foundation through the XPLORER PRIZE.; We report an experimental study of the local temperature fluctuationsδT and heat transport in a partitioned supergravitational turbulent convection system.Due to the dynamics of zonal flow in the normal system withou...; 关键词：Partitioned turbulent convection SUPERGRAVITY Probability density function Power spectra Heat transfer

Breaking the speed limitation of wavemeter through spectra-space-time mapping: 《Light(Advanced Manufacturing)》2024年第2期33-40,共8页Zheng Gao Ting Jiang Mingming Zhang Yuxuan Xiong Hao Wu Ming Tang; supported by the National Key Research and Development Program of China(2021YFB2800902);National Natural Science Foundation of China(61931010,62225110);Hubei Province Key Research and Development Program(2020BAA006).; Speckle patterns generated by the intermodal interference of multimode fibers enable accurate broadband wavelength measurements.However,the measurement speed is limited by the frame rate of the camera that captures th...; 关键词：SPEED Wavemeters SPECTRA

Polarization-entangled photon pairs with factorable spectra engineered by using an uneven four-stage nonlinear interferometer: 《Chinese Optics Letters》2024年第5期106-110,共5页崔亮陈浩然李嘉敏李小英; supported by the National Natural Science Foundation of China (Nos.12074283,91836302,11874279,and 62305240); We report the generation of polarization-entangled photon pairs in the 1550 nm band by pumping an uneven nonlinear interferometer loop with two orthogonally polarized counterpropagating pump pulses.The uneven nonlinea...; 关键词：polarization-entangled photon pairs nonlinear interferometer quantum state engineering optical fiber

Single-particle spectroscopies of p-wave and d-wave interacting Bose gases in normal phase: 《Communications in Theoretical Physics》2024年第5期140-147,共8页Zeqing Wang Ran Qi; supported by the National Key Research and Development Program of China (Grant Nos. 2022YFA1405301 and 2018YFA0306502);the National Natural Science Foundation of China (Grant Nos. 12 022 405 and 11 774 426);the Beijing Natural Science Foundation (Grant No. Z180013); Motivated by experiments with interacting quantum gases across high partial wave resonance,we investigate the thermodynamic properties and single-particle spectra of Bose gases in normal phase for different interactio...; 关键词：quantum gases ultracold atom high partial wave RF spectra

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