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LANDAU: 作品数：315被引量：300H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：张志东周璇程崇庆莫嘉琪刘景发更多>>; 相关机构：河北工业大学北京大学西北工业大学浙江大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划广东省自然科学基金更多>>

Periodic modulation of adiabatic dynamics in non-reciprocal Landau-Zener systems: 《Chinese Physics B》2025年第3期259-264,共6页Rong Chang Sheng-Chang Li; Project supported by the National Natural Science Foundation of China(Grant Nos.12375019 and 11974273)。; The control of adiabatic dynamics is essential for quantum manipulation.We investigate the effects of both periodic modulating field and linear sweeping field on adiabatic dynamics based on a non-reciprocal Landau-Zen...; 关键词：ADIABATICITY non-reciprocity Landau-Zener tunneling periodic modulation

ON THE UNIVALENCE OF CERTAIN POLYHARMONIC MAPPINGS WITH BOUNDED LENGTH DISTORTIONS: 《Acta Mathematica Scientia》2024年第6期2125-2138,共14页Xin WANG Saminathan PONNUSAMY Mingsheng LIU; supported by the Natural Science Foundation of Guangdong Province(2021A1515010058);supported by the Youth Innovation Foundation of Shenzhen Polytechnic University(6024310023K)。; The main purpose of this paper is to investigate the univalence of normalized polyharmonic mappings with bounded length distortions in the unit disk.We first establish the coefficient estimates for polyharmonic mappin...; 关键词：harmonic mappings biharmonic mappings polyharmonic mappings coeffcients estimates Landau-type theorems

构建一类Landau-Zener型模型实现布居数转移: 《延安大学学报（自然科学版）》2024年第2期74-79,87,共7页侯天祥李伟; 陕西省教育厅项目(22JK0617);延安大学博士科研启动项目(YDBK2018-22)。; 提出了一类两分量外场驱动量子系统的Landau-Zener型模型。在SU(2)李代数的数学框架下,通过正则变换方法对支配系统演化的含时薛定谔方程进行解析求解,表明无论是理想演化、基于实际演化的脉冲截断还是系统与环境耦合导致的退相干,系统...; 关键词：布居数转移量子系统高保真度非绝热与绝热动力学

An ultrahigh energy storage efficiency and recoverable density in Bi_(0.5)Na_(0.5)TiO_(3)with the modification of Sr_(0.85)La_(0.1)TiO_(3)via viscous polymer process: 《Journal of Materiomics》2024年第3期566-577,共12页Fukang Chen Lishun Yang Haoran Feng Qin Li Xinyu Zeng Kun Yu Chunlin Song Yan Yan Li Jin Dou Zhang; support from the National Natural Science Foundation of China(52073235,52172130);State Key Laboratory of Powder Metallurgy,Central South University,Changsha,China and State Key Lab of Advanced Metals and Materials(2022-Z04).; Currently,the development of dielectric ceramic capacitors is restricted by the contradiction between high efficiency and high recoverable density.Therefore,a novel strategy was designed to achieve a su-perior balance...; 关键词：Lead-free ceramics Energy storage BNT Landau-free energy

光控取向引导的液晶序演变被引量：4: 《液晶与显示》2024年第5期569-592,共24页罗道兴吴金兵郭政昊胡伟; 国家重点研发计划(No.2022YFA1203703);国家自然科学基金(No.62035008)。; 液晶独特的取向序和位置序为其带来奇特的物理性质,使其在凝聚态软物质中占据了重要的地位。由于液晶有序结构中连续对称性的破缺,引入了拓扑缺陷。而拓扑缺陷在相变过程中的转变机制及其在外场作用下的有序控制生成一直广受关注。通过...; 关键词：液晶向列相近晶相 Landau-deGennes理论相变拓扑缺陷

Construction of conservation laws for the Gardner equation,Landau-Ginzburg-Higgs equation,and Hirota-Satsuma equation: 《Communications in Theoretical Physics》2024年第5期49-57,共9页Cheng Chen Faiza Afzal Yufeng Zhang; funded by the National Natural Science Foundation of China(Grant Nos.12371256&11971475)。; In this paper,two different methods for calculating the conservation laws are used,these are the direct construction of conservation laws and the conservation theorem proposed by Ibragimov.Using these two methods,we o...; 关键词：conservation laws Landau-Ginzburg-Higgs equation Hirota-Satsuma equation Gardner equation

Conserved vectors and symmetry solutions of the Landau–Ginzburg–Higgs equation of theoretical physics: 《Communications in Theoretical Physics》2024年第4期51-65,共15页Chaudry Masood Khalique Mduduzi Yolane Thabo Lephoko; the South African National Space Agency (SANSA) for funding this work; This paper is devoted to the investigation of the Landau–Ginzburg–Higgs equation(LGHe),which serves as a mathematical model to understand phenomena such as superconductivity and cyclotron waves.The LGHe finds applic...; 关键词：Landau-Ginzburg-Higgs equation Lie symmetry analysis group invariant solutions conserved vectors multiplier method Ibragimov's method

Designing high piezoelectric properties at the BaTiO_(3)–PbZrO_(3)–PbTiO_(3) phase boundary by Landau–Devonshire theory: 《Journal of Advanced Dielectrics》2024年第2期33-41,共9页Yu Song Xiaoming Shi Dan Li Jing Wang Houbing Huang; supported financially by the National Key Research and Development Program of China(Grant No.2019YFA0307900);the National Natural Science Foundation of China(Grant No.51972028);the China Postdoctoral Science Foundation(Grant No.2020M680375).; Ferroelectric materials possessing exceptional piezoelectric attributes have garnered widespread utilization in various applications.Solid solution systems improve piezoelectric properties through multiphase mixing,bu...; 关键词：BaTiO_(3)-PbZrO_(3)-PbTiO_(3) piezoelectric properties free energy barrier thermodynamic calculation Landau-Devonshire theory

ESTIMATE ON THE BLOCH CONSTANT FOR CERTAIN HARMONIC MAPPINGS UNDER A DIFFERENTIAL OPERATOR被引量：1: 《Acta Mathematica Scientia》2024年第1期295-310,共16页陈洁玲刘名生; supported by the Natural Science Foundation of Guangdong Province(2021A1515010058)。; In this paper,we first obtain the precise values of the univalent radius and the Bloch constant for harmonic mappings of the formL(f)=zfz-zfz,where f represents normalized harmonic mappings with bounded dilation.Then,...; 关键词：Bloch-Landau type theorem Bloch constant linear complex operator harmonic mapping biharmonic mapping UNIVALENT

Y^(3+)掺杂二氧化硅磨料的合成及其在氧化锆陶瓷中的化学机械抛光行为: 《上海大学学报（自然科学版）》2024年第1期31-42,共12页代三威雷红付继芳; 国家自然科学基金资助项目(51975343)。; 为了提高氧化锆陶瓷的抛光效率,在二氧化硅表面掺杂Y^(3+)得到改性磨料.X射线光电子能谱(X-ray photoelectron spectroscopy,XPS)分析表明,Y元素以Y(OH)_(3)的形式存在于改性磨料中.扫描电子显微镜(scanning electron microscope,SEM)...; 关键词：氧化锆陶瓷化学机械抛光磨料掺杂二氧化硅 Derjaguin-Landau-Verwey-Overbeek理论

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