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DIRAC: 作品数：588被引量：342H指数：6; 导出分析报告; 相关领域：理学更多>>; 相关作者：马中玉范文亮荣健王建国石琴春更多>>; 相关机构：中国科学院郑州大学吉林大学中国科学院大学更多>>; 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上海市自然科学基金更多>>

Dirac-harmonic maps with the trivial index: 《Science China Mathematics》2025年第4期917-938,共22页Jürgen Jost Linlin Sun Jingyong Zhu; supported by National Natural Science Foundation of China(Grant No.12201440);the Fundamental Research Funds for the Central Universities。; For a homotopy class[u]of maps between a closed Riemannian manifold M and a general manifold N,we want to find a Dirac-harmonic map with the map component in the given homotopy class.Most known results require the ind...; 关键词：Dirac-harmonic map Q-Dirac-harmonic map flow minimal kernel EXISTENCE Kahler manifolds

Boundary blow-up analysis for approximate Dirac-harmonic maps into stationary Lorentzian manifolds: 《Science China Mathematics》2025年第3期649-676,共28页Wanjun Ai Lei Liu Miaomiao Zhu; supported by National Natural Science Foundation of China (Grant No. 12201515);the Natural Science Foundation of Chongqing, China (Grant No. cstc2021jcyj-msxmX1058);the China Scholarship Council (Grant No. 202206995009);supported by National Natural Science Foundation of China (Grant No. 12101255).;supported by Innovation Program of Shanghai Municipal Education Commission (Grant No. 2021-01-07-00-02-E00087);National Natural Science Foundation of China (Grant No. 12171314);Shanghai Frontier Science Center of Modern Analysis。; For a sequence of approximate Dirac-harmonic maps from a Riemannian surface with a smooth boundary into a stationary Lorentzian manifold, we study the boundary blow-up analysis and prove the positive energy identity f...; 关键词：Dirac-harmonic maps boundary regularity BLOW-UP Lorentzian manifolds

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

缺陷Dirac梳中波包散射问题的研究: 《大学物理》2025年第3期5-7,23,共4页邓志姣程航沈咏施帅陈平形; 湖南省普通高等学校教学改革项目(202401000281)资助。; 微观粒子在周期势场中的运动是量子力学和固体物理教学中都会涉及到的重要内容.本文基于缺陷Dirac梳模型,研究了波包在周期势场中发生散射的能谱结构以及典型特点,可作为量子力学教学内容的延伸,以帮助学生在后续固体物理的学习中建立...; 关键词：缺陷Dirac梳传输矩阵波包散射

Tunable mid-infrared absorber based on Dirac metamaterials: 《Communications in Theoretical Physics》2025年第3期180-188,共9页Bo Li Guolun Cheng Bo Sun Yingying Yu Wenxing Yang; In this paper,a tunable metamaterial absorber based on a Dirac semimetal is proposed.It consists of three different structures,from top to bottom,namely a double semicircular Dirac semimetal resonator,a silicon dioxid...; 关键词：Dirac metamaterials tunable metamaterials phase change material VO_(2) absorbs MID-INFRARED

Fermions: Dirac Internal Exchange Frequencies: 《Journal of High Energy Physics, Gravitation and Cosmology》2025年第1期1-7,共7页Doron Kwiat; Using real fields instead of complex ones, it was recently claimed, that all fermions are made of pairs of coupled fields (strings) with an internal tension related to mutual attraction forces, related to Planck’s co...; 关键词：FERMIONS Internal Frequency Exchange Energy COUPLING

相对论扭曲波方法研究电子与原子碰撞激发过程: 《物理学报》2025年第3期27-39,共13页李文博李兵兵陈浩颉录有武中文丁晓彬张登红蒋军董晨钟; 国家重点研发计划(批准号:2022YFA1602500);国家自然科学基金(批准号:12064041,12174315,12274352,12364034,12174316,12374384)资助的课题。; 相对论扭曲波方法是研究微观粒子碰撞动力学过程的常用理论方法.本文基于多组态Dirac-Hartree-Fock(MCDHF)方法以及相应的程序包GRASP 92/2K/2018和RATIP,发展了一套电子与原子碰撞激发过程的全相对论扭曲波方法和程序.计算了极化电子...; 关键词：电子与原子碰撞激发相对论扭曲波方法多组态Dirac-Hartree-Fock方法

Isospin splitting of the Dirac mass probed using the relativistic Brueckner-Hartree-Fock theory: 《Nuclear Science and Techniques》2025年第2期123-130,共8页Pianpian Qin Qiang Zhao Hui Tong Chencan Wang Sibo Wang; supported in part by the China Postdoctoral Science Foundation under grant No.2021M700610;the National Natural Science Foundation of China(NSFC)(No.12205030);the Fundamental Research Funds for the Central Universities(No.2024CDJXY022);the Institute for Basic Science(No.IBS-R031-D1).; The isospin splitting of the Dirac mass obtained using the relativistic Brueckner-Hartree-Fock(RBHF)theory was thor-oughly investigated.From the perspective in the full Dirac space,the long-standing controversy betwee...; 关键词：Dirac mass Relativistic Brueckner-Hartree-Fock theory Single-particle potential Momentum dependence

Dirac-geodesics with curvature term: 《Science China Mathematics》2025年第2期433-446,共14页Qun Chen Mingwei Zhang; Dirac-geodesics with curvature term are Dirac-harmonic maps with curvature term from onedimensional domains. In this paper, we first describe the structure of Dirac-geodesics with curvature term in surfaces and give s...; 关键词：Dirac-geodesic Dirac-harmonic map CURVATURE heat flow existence

Two-zero textures for Dirac neutrinos: 《Chinese Physics C》2025年第1期105-113,共9页Yessica Lenis R.Martinez-Ramirez Eduardo Peinado William A.Ponce; Supported by the Mexican grants CONAHCYT CB-2017-2018/A1-S-13051 and DGAPA-PAPIIT IN111625;Funding from'Cátedras Marcos Moshinsky'(Fundación Marcos Moshinsky);the support of PASPA-DGAPA,UNAM for a sabbatical leave;CONAHCYT for the funding of his MSc studies。; We review the two-zero mass matrix textures approach for Dirac neutrinos with the most recent global fit in the oscillation parameters.We found that three of the 15 possible textures are compatible with current experi...; 关键词：Dirac neutrino neutrino masses and mixing neutrino oscillations

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