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Standard Model Fermion Masses and Charges from Holographic Analysis
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作者 T. R. Mongan 《Journal of Modern Physics》 2024年第6期796-803,共8页
The Standard Model of particle physics involves twelve fundamental fermions, treated as point particles, in four charge states. However, the Standard Model does not explain why only three fermions are in each charge s... The Standard Model of particle physics involves twelve fundamental fermions, treated as point particles, in four charge states. However, the Standard Model does not explain why only three fermions are in each charge state or account for neutrino mass. This holographic analysis treats charged Standard Model fermions as spheres with mass 0.187 g/cm<sup>2</sup> times their surface area, using the proportionality constant in the holographic relation between mass of the observable universe and event horizon radius. The analysis requires three Standard Model fermions per charge state and relates up quark and down quark masses to electron mass. Holographic analysis specifies electron mass, to six significant figures, in terms of fundamental constants α,ℏ,G,Λ and Ω Λ . Treating neutrinos as spheres and equating electron neutrino energy density with cosmic vacuum energy density predicts neutrino masses consistent with experiment. 展开更多
关键词 electron mass Up Quark mass Down Quark mass Neutrino masses
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Electron-ion collider in China 被引量:8
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作者 Daniele PAnderle Valerio Bertone +101 位作者 Xu Cao Lei Chang Ningbo Chang Gu Chen Xurong Chen Zhuojun Chen Zhufang Cui Lingyun Dai Weitian Deng Minghui Ding Xu Feng Chang Gong Longcheng Gui Feng-Kun Guo Chengdong Han Jun He Tie-Jiun Hou Hongxia Huang Yin Huang KrešImir KumeričKi LPKaptari Demin Li Hengne Li Minxiang Li Xueqian Li Yutie Liang Zuotang Liang Chen Liu Chuan Liu Guoming Liu Jie Liu Liuming Liu Xiang Liu Tianbo Liu Xiaofeng Luo Zhun Lyu Boqiang Ma Fu Ma Jianping Ma Yugang Ma Lijun Mao Cédric Mezrag HervéMoutarde Jialun Ping Sixue Qin Hang Ren Craig DRoberts Juan Rojo Guodong Shen Chao Shi Qintao Song Hao Sun PawełSznajder Enke Wang Fan Wang Qian Wang Rong Wang Ruiru Wang Taofeng Wang Wei Wang Xiaoyu Wang Xiaoyun Wang Jiajun Wu Xinggang Wu Lei Xia Bowen Xiao Guoqing Xiao Ju-Jun Xie Yaping Xie Hongxi Xing Hushan Xu Nu Xu Shusheng Xu Mengshi Yan Wenbiao Yan Wencheng Yan Xinhu Yan Jiancheng Yang Yi-Bo Yang Zhi Yang Deliang Yao Zhihong Ye Peilin Yin C-PYuan Wenlong Zhan Jianhui Zhang Jinlong Zhang Pengming Zhang Yifei Zhang Chao-Hsi Chang Zhenyu Zhang Hongwei Zhao Kuang-Ta Chao Qiang Zhao Yuxiang Zhao Zhengguo Zhao Liang Zheng Jian Zhou Xiang Zhou Xiaorong Zhou Bingsong Zou Liping Zou 《Frontiers of physics》 SCIE CSCD 2021年第6期1-78,共78页
Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei.As a future high energy nuclear physics project,an Electron-ion collider in China(EicC)... Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei.As a future high energy nuclear physics project,an Electron-ion collider in China(EicC)has been proposed.It will be constructed based on an upgraded heavy-ion accelerator,High Intensity heavy-ion Accelerator Facility(HIAF)which is currently under construction,together with a new electron ring.The proposed collider will provide highly polarized electrons(with a po-larization of 80%)and protons(with a polarization of 70%)with variable center of mass energies from 15 to 20 GeV and the luminosity of(2–3)×1033 cm^(−2)·s^(−1).Polarized deuterons and Helium-3,as well as unpolarized ion beams from Carbon to Uranium,will be also available at the EicC.The main foci of the EicC will be precision measurements of the structure of the nucleon in the sea quark region,including 3D tomography of nucleon;the partonic structure of nuclei and the parton interaction with the nuclear environment;the exotic states,especially those with heavy flavor quark contents.In addition,issues fundamental to understanding the origin of mass could be addressed by measurements of heavy quarkonia near-threshold production at the EicC.In order to achieve the above-mentioned physics goals,a hermetical detector system will be constructed with cutting-edge technologies.This document is the result of collective contributions and valuable inputs from experts across the globe.The EicC physics program complements the ongoing scientific programs at the Jefferson Laboratory and the future EIC project in the United States.The success of this project will also advance both nuclear and particle physics as well as accelerator and detector technology in China. 展开更多
关键词 electron ion collider nucleon structure nucleon mass exotic hadronic states quantum chromodynamics 3D-tomography HELICITY transverse momentum dependent parton distribution generalized parton distribution energy recovery linac polarization spin rotator
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Mathematical Wave Functions and 3D Finite Element Modelling of the Electron and Positron
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作者 Declan Traill 《Journal of Applied Mathematics and Physics》 2024年第4期1134-1162,共29页
The wave/particle duality of particles in Physics is well known. Particles have properties that uniquely characterize them from one another, such as mass, charge and spin. Charged particles have associated Electric an... The wave/particle duality of particles in Physics is well known. Particles have properties that uniquely characterize them from one another, such as mass, charge and spin. Charged particles have associated Electric and Magnetic fields. Also, every moving particle has a De Broglie wavelength determined by its mass and velocity. This paper shows that all of these properties of a particle can be derived from a single wave function equation for that particle. Wave functions for the Electron and the Positron are presented and principles are provided that can be used to calculate the wave functions of all the fundamental particles in Physics. Fundamental particles such as electrons and positrons are considered to be point particles in the Standard Model of Physics and are not considered to have a structure. This paper demonstrates that they do indeed have structure and that this structure extends into the space around the particle’s center (in fact, they have infinite extent), but with rapidly diminishing energy density with the distance from that center. The particles are formed from Electromagnetic standing waves, which are stable solutions to the Schrödinger and Classical wave equations. This stable structure therefore accounts for both the wave and particle nature of these particles. In fact, all of their properties such as mass, spin and electric charge, can be accounted for from this structure. These particle properties appear to originate from a single point at the center of the wave function structure, in the same sort of way that the Shell theorem of gravity causes the gravity of a body to appear to all originate from a central point. This paper represents the first two fully characterized fundamental particles, with a complete description of their structure and properties, built up from the underlying Electromagnetic waves that comprise these and all fundamental particles. 展开更多
关键词 electron POSITRON Wave Function Solution Electromagnetic Spin mass Charge Proof Fundamental Particle Properties Quantum Mechanics Classical Physics Computer 3D Model Schrödinger Equation RMS KLEIN GORDON Electric Magnetic Lorentz Invariant Hertzian Vector Point Potential Field Density Phase Flow Attraction REPULSION Shell Theorem Ehrenfest VIRIAL Normalization Harmonic Oscillator
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戴维孙-革末电子衍射实验数据的一点启示
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作者 苑新喜 《科技创新与应用》 2024年第15期92-95,共4页
1927年戴维孙(C.Davisson)和革末(L.H.Germer)的电子衍射实验第一次可争辩地验证实物粒子的波动性。事实上,与德布罗意(de Broglie)假设的理论计算相比,戴维孙-革末的电子衍射实验数据存在着一种明显的系统性偏离。在近百年之后的今天,... 1927年戴维孙(C.Davisson)和革末(L.H.Germer)的电子衍射实验第一次可争辩地验证实物粒子的波动性。事实上,与德布罗意(de Broglie)假设的理论计算相比,戴维孙-革末的电子衍射实验数据存在着一种明显的系统性偏离。在近百年之后的今天,该偏离或许为当前电子的电磁质量的研究提供一个有价值的启示和实验依据。 展开更多
关键词 戴维孙-革末实验 电子衍射 电子 电磁质量 实验数据
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应用Bertozzi实验研究电子的电磁质量 被引量:6
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作者 苑新喜 《实验科学与技术》 2016年第2期4-7,共4页
电子的电磁质量构成仍是物理学中一个悬而未决的问题,一般认为电子的电荷分布具有球对称性。由于球对称分布的电荷体系在其运动时的电磁场的相对论能量-速度关系完全不同于相对论(机械)质量-速度关系,那么运动电子的相对论总能量不仅是... 电子的电磁质量构成仍是物理学中一个悬而未决的问题,一般认为电子的电荷分布具有球对称性。由于球对称分布的电荷体系在其运动时的电磁场的相对论能量-速度关系完全不同于相对论(机械)质量-速度关系,那么运动电子的相对论总能量不仅是其速度的函数,也是其电磁质量与已知的电子静质量的比率的函数。基于以上认识,该文采用Bertozzi实验来研究电子的电磁质量,并对这一方法进行了初步的尝试,对电子的电磁质量给出了一个具有一定参考价值的定量结果。 展开更多
关键词 Bertozzi实验 电子 电磁质量 电荷体系
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Absolute partial and total ionization cross sections of carbon monoxide with electron collision from 350 eV to 8000 eV
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作者 Taj Wali Khan 黄伟哲 +2 位作者 王恩亮 单旭 陈向军 《Chinese Physics B》 SCIE EI CAS CSCD 2024年第4期459-464,共6页
The absolute partial and total cross sections for electron impact ionization of carbon monoxide are reported for electron energies from 350 eV to 8000 eV.The product ions(CO^(+),C^(+),O^(+),CO^(2+),C^(2+),and O^(2+))a... The absolute partial and total cross sections for electron impact ionization of carbon monoxide are reported for electron energies from 350 eV to 8000 eV.The product ions(CO^(+),C^(+),O^(+),CO^(2+),C^(2+),and O^(2+))are measured by employing an ion imaging mass spectrometer and two ion-pair dissociation channels(C^(+)+O^(+)and C^(2+)+O^(+))are identified.The absolute cross sections for producing individual ions and their total,as well as for the ion-pair dissociation channels are obtained by normalizing the data of CO^(+)to that of Ar^(+)from CO-Ar mixture target with a fixed 1:1 ratio.The overall errors are evaluated by considering various kinds of uncertainties.A comprehensive comparison is made with the available data,which shows a good agreement with each other over the energy ranges that are overlapped.This work presents new cross-section data with electron energies above 1000 eV. 展开更多
关键词 electron impact ionization cross sections carbon monoxide ion imaging mass spectrometer
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The Geometric Model of Particles (The Origin of Mass and the Electron Spin)
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作者 Giovanni Guido 《Journal of High Energy Physics, Gravitation and Cosmology》 2023年第4期941-963,共23页
The geometrization process of physics could involve, in addition to space and time in General Relativity (GR), even elementary particles. Our starting point is the formulation of an original hypothesis about particles... The geometrization process of physics could involve, in addition to space and time in General Relativity (GR), even elementary particles. Our starting point is the formulation of an original hypothesis about particles, compatible with the basic assumptions of the Standard Model (SM): a massive particle is a geometric structure of a set of elastically coupled quantum oscillators that propagates along a line of a non-massive base field (in impulse eigenstate). We show that the propagation equation of an oscillation associated with the geometric shape representing an electron propagates following Dirac’s wave equation. Thus, one gives a foundation to a geometric model of massive particles (GMP) which would explain the physical origin of the mass, spin, and the magnetic moment of the electron. 展开更多
关键词 mass Coupling IQuO Sub-Oscillator Semi-Quantum SPIN MOMENT electron
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Possible Relevance of the Allende Meteorite Conditions in Prebiotic Chemistry: An Insight into the Chondrules and Organic Compounds
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作者 Alejandro Heredia Barbero Héctor G. Vázquez López +8 位作者 Adriana L. Meléndez López Jorge A. Cruz Castañeda Daniel Luna Laviada Karina E. Cervantes de la Cruz Victor Meza Laguna Vladimir A. Basiuk Ivonne Rosales Chávez Alicia Negrón Mendoza Sergio Ramos Bernal 《Advances in Biological Chemistry》 2023年第3期82-99,共18页
The study of the mineral and organic content of the Allende meteorite is important for our understanding of the molecular evolution of the universe as well as the ancient Earth. Previous studies have characterized the... The study of the mineral and organic content of the Allende meteorite is important for our understanding of the molecular evolution of the universe as well as the ancient Earth. Previous studies have characterized the magnetic minerals present in ordinary and carbonaceous chondrites, providing information on the evolution of magnetic fields. The interaction of organic compounds with magnetic minerals is a possible source of chemical diversity, which is crucial for molecular evolution. Carbon compounds in meteorites are of great scientific interest for a variety of reasons, such as their relevance to the origins of chirality in living organisms. This study presents the characterization of organic and mineral compounds in the Allende meteorite. The structural and physicochemical characterization of the Allende meteorite was accomplished through light microscopy, powder X-ray diffraction with complementary Rietveld refinement, Raman and infrared spectroscopy, mass spectrometry, scanning electron microscopy, and atomic force microscopy using magnetic signal methods to determine the complex structure and the interaction of organic compounds with magnetic Ni-Fe minerals. The presence of Liesegang-like patterns of chondrules in fragments of the Allende structure may also be relevant to understanding how the meteorite was formed. Other observations include the presence of magnetic materials and nanorod-like solids with relatively similar sizes as well as the heterogeneous distribution of carbon in chondrules. Signals observed in the Raman and infrared spectra resemble organic compounds such as carbon nanotubes and peptide-like molecules that have been previously reported in other meteorites, making the Mexican Allende meteorite a feasible sample for the study of the early Earth and exoplanetary bodies. 展开更多
关键词 Allende Meteorite Carbonaceous Chondrite Light Microscopy X-Ray Diffraction with the Rietveld Method Raman Spectroscopy Attenuated Total Reflectance Infrared Spectroscopy mass Spectrometry Scanning electron Mi-croscopy Energy Dispersive X-Ray Spectroscopy Magnetic Force Microscopy
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Electron Mass in an Atom Is Less than Rest Mass
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作者 Koshun Suto 《Journal of Applied Mathematics and Physics》 2023年第12期3953-3961,共9页
Einstein’s energy-momentum relationship is a formula that typifies the special theory of relativity (STR). According to the STR, when the velocity of a moving body increases, so does the mass of the body. The STR ass... Einstein’s energy-momentum relationship is a formula that typifies the special theory of relativity (STR). According to the STR, when the velocity of a moving body increases, so does the mass of the body. The STR asserts that the mass of a body depends of the velocity at which the body moves. However, when energy is imparted to a body, this relation holds because kinetic energy increases. When the motion of an electron in an atom is discussed at the level of classical quantum theory, the kinetic energy of the electron is increased due to the emission of energy. At this time, the relativistic energy of the electron decreases, and the mass of the electron also decreases. The STR is not applicable to an electron in an atom. This paper derives an energy-momentum relationship applicable to an electron in an atom. The formula which determines the mass of an electron in an atom is also derived by using that relationship. 展开更多
关键词 Einstein’s Energy-Momentum Relationship Relativistic Energy electron mass Bohr’s Quantum Condition Potential Energy
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The Intrinsic Electron with Its Properties Such as Inner Structure and Self-Mass Is in Conflict with Quantum Field Theory
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作者 Victor Vaguine 《Journal of High Energy Physics, Gravitation and Cosmology》 2023年第3期583-595,共13页
The quantum field theory (QFT) is one of branches of the Standard Model. According to QFT, quantum fields are the primary entities and particles are the excitations of these fields, coming in discrete lumps with no in... The quantum field theory (QFT) is one of branches of the Standard Model. According to QFT, quantum fields are the primary entities and particles are the excitations of these fields, coming in discrete lumps with no inner structures and with properties assigned by declaration. Such view is in conflict with the observed vacuum energy density, 140 orders of magnitudes less than required by the QFT. In addition, such view is challenged by Aphysical Quantum Mechanics (AQM), a deeper quantum theory. According to AQM, the fundamental understanding of quantum reality is expanded by the addition of two fundamental categories, aphysical and elementary consciousness of elementary particles. Based on AQM and as an example, the total ontology of the intrinsic (fundamental) electron is presented with its inner structure of perfect geometry consisting of the physical charged c-ring and aphysical cylinder, and with its properties such as self-mass, spin, magneto-electrostatic field configuration and magnetic moment. The position parameter in the inner structure demonstrates that there are no two identical intrinsic electrons in the Universe thus placing a question mark over the QFT principle of indistinguishability. 展开更多
关键词 Quantum Reality Physical-Aphysical Intrinsic electron Charged C-Ring Aphysical Cylinder Elementary Consciousness Position Parameter Constant U Ontology Self-mass Indistinguishable Inner Structure
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用γ射线做康普顿散射测量 被引量:4
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作者 陈星 李剑龙 +1 位作者 韩文琪 曹思雁 《物理实验》 2006年第6期33-35,38,共4页
用能量为661.67keV的γ射线做不同材料散射靶的康普顿散射,对是否有多个电子同时与同-γ射线散射进行了分析,测量了电子质量。分析了相干散射线宽,测量了非相干散射光子的能量,算出了非相干散射微分截面,给出了Θ~Θ+dΘ内散射... 用能量为661.67keV的γ射线做不同材料散射靶的康普顿散射,对是否有多个电子同时与同-γ射线散射进行了分析,测量了电子质量。分析了相干散射线宽,测量了非相干散射光子的能量,算出了非相干散射微分截面,给出了Θ~Θ+dΘ内散射光子微分截面与散射角关系。 展开更多
关键词 电子质量 相干散射 非相干散射 微分截面
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Numerical analysis of thermal fluid transport behavior during electron beam welding of 2219 aluminum alloy plate 被引量:5
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作者 Cheng-cai LIU Jing-shan HE 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2017年第6期1319-1326,共8页
A two-dimensional mathematical model based on volume-of-fluid method is proposed to investigate the heat transfer,fluidflow and keyhole dynamics during electron beam welding(EBW)on20mm-thick2219aluminum alloy plate.In... A two-dimensional mathematical model based on volume-of-fluid method is proposed to investigate the heat transfer,fluidflow and keyhole dynamics during electron beam welding(EBW)on20mm-thick2219aluminum alloy plate.In the model,anadaptive heat source model tracking keyhole depth is employed to simulate the heating process of electron beam.Heat and masstransport of different vortexes induced by surface tension,thermo-capillary force,recoil pressure,hydrostatic pressure and thermalbuoyancy is coupled with keyhole evolution.A series of physical phenomena involving keyhole drilling,collapse,reopening,quasi-stability,backfilling and the coupled thermal field are analyzed systematically.The results indicate that the decreased heat fluxof beam in depth can decelerate the keyholing velocity of recoil pressure and promote the quasi-steady state.Before and close to thisstate,the keyhole collapses and complicates the fluid transport of vortexes.Finally,all simulation results are validated againstexperiments. 展开更多
关键词 heat transfer fluid flow keyhole dynamics electron beam welding mass transport VORTEX recoil pressure BACKFILLING
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硝基化合物的质谱研究 被引量:4
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作者 倪基华 邓林 陈鉴清 《质谱学报》 EI CAS CSCD 1993年第3期52-60,共9页
2,6—DNT、2,4,6—TNT、3,5—DNT、3,4,5—TNT、1,3,5—三硝基—1,3,5—三氮杂环已烷(RDX)、1,3,5,7—四硝基—1,3,5,7—四氮杂环辛烷(HMX)以及杂环硝胺偕二硝基化合物的裂解机理是用电子轰击方法研究的。在芳香硝基化合物中突出的反应... 2,6—DNT、2,4,6—TNT、3,5—DNT、3,4,5—TNT、1,3,5—三硝基—1,3,5—三氮杂环已烷(RDX)、1,3,5,7—四硝基—1,3,5,7—四氮杂环辛烷(HMX)以及杂环硝胺偕二硝基化合物的裂解机理是用电子轰击方法研究的。在芳香硝基化合物中突出的反应机理是消去OH基的“邻位效应”和C—NO_2键裂分反应。RDX和HMX的裂解机理以典型的丢失结构单元CH_2NNO_2和基团NO_2、HNO_2、NO为特点。杂环硝胺偕二硝基化合物的裂解机理是以典型的丢失基团如NO_2、NO、HNO_2为特点。 展开更多
关键词 硝基化合物 电子轰击 质谱
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MALDI-TOF质谱、电泳和透射电子显微镜技术研究魟鱼肝铁蛋白H和L亚基特性 被引量:3
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作者 黄河清 胡晓慧 +2 位作者 方雪萍 曹廷明 孔波 《分析化学》 SCIE EI CAS CSCD 北大核心 2009年第5期631-636,共6页
小批量制备质谱纯魟鱼肝铁蛋白(liver ferritin of Dasyatis akajei,DALF),以透射电子显微镜术(TEM)测定DALF、蛋白壳和铁核的分子尺寸。SDS-PAGE技术指出,DALF由H和L两种不同类型的亚基组成。采用肽质量指纹图谱(PMF)技术进一步佐证H和... 小批量制备质谱纯魟鱼肝铁蛋白(liver ferritin of Dasyatis akajei,DALF),以透射电子显微镜术(TEM)测定DALF、蛋白壳和铁核的分子尺寸。SDS-PAGE技术指出,DALF由H和L两种不同类型的亚基组成。采用肽质量指纹图谱(PMF)技术进一步佐证H和L亚基类型和同源性。氧化还原剂中性红、劳氏紫、甲基紫精和pH1.5酸度均无法削弱DALF的H-L和L-L亚基之间的相互作用强度、并解吸出L亚基离子,供MALDI-TOF质谱仪分析。通过增加激光强度和降低基质pH途径,可直接分析DALF的H和L亚基的分子量,指出DALF中H-L和L-L亚基之间的相互作用强度明显高于H-H亚基类型。 展开更多
关键词 铁蛋白 亚基类型 电镜 质谱 电泳
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Fragmentation of Some Substituted Phthalimides on Electron Impact Ionization
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作者 WEI Junhua DONG Dewen +2 位作者 LIU Zhiqiang LIU Shuying JIN Danhong 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 1999年第2期99-103,共5页
IntroductionTheeliminationsofCOandCO2fromthemolecularionsofphthalimideanditsN-methyl,N-phenylderivativesinma... IntroductionTheeliminationsofCOandCO2fromthemolecularionsofphthalimideanditsN-methyl,N-phenylderivativesinmassspectrometrywer... 展开更多
关键词 Substituted phthalimide mass spectrometry electron impact electron impact
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An Equivalence for Both Coulombian and Gravitational Interactions
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作者 Carmine D’Errico 《Journal of High Energy Physics, Gravitation and Cosmology》 2019年第4期1068-1089,共22页
The main purpose of this article is to demonstrate that electromagnetic and gravitational phenomenology are two different expressions of the same interaction that we can call “universal interaction”. In order to rea... The main purpose of this article is to demonstrate that electromagnetic and gravitational phenomenology are two different expressions of the same interaction that we can call “universal interaction”. In order to reach the aim, it is therefore necessary to imagine the matter in a slightly different way, as well as equivalent, to what has been done until today by the literature everywhere accepted. Even if differently imagined, this proposed structure of matter cannot and must not escape from reflecting the measurements and phenomenologies widely experimented in laboratories all over the world. In the proposed model the proton radius;the electron mass;the Avogadro constant;the existence and the mass of neutron and the existence of neutrino are theoretically derived. The main consequence is therefore a more general rewriting of Newton’s law of universal gravitation. A definitive value for the universal gravitational constant is proposed. 展开更多
关键词 GRAVITATIONAL FIELD Electric FIELD GUT Classic Theory of GRAVITATION Proton RADIUS Neutron RADIUS Avogadro CONSTANT electron mass Neutrino mass Newtonian CONSTANT of GRAVITATION Language CONSTANT
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Strain effects on band structure of wurtzite ZnO: a GGA+U study 被引量:1
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作者 乔丽萍 柴常春 +2 位作者 杨银堂 于新海 史春蕾 《Journal of Semiconductors》 EI CAS CSCD 2014年第7期32-36,共5页
Band structures in wurtzite bulk ZnO/Zn1-xMgxO are calculated using first-principles based on the framework of generalized gradient approximation to density functional theory with the introduction of the on-site Coulo... Band structures in wurtzite bulk ZnO/Zn1-xMgxO are calculated using first-principles based on the framework of generalized gradient approximation to density functional theory with the introduction of the on-site Coulomb interaction. Strain effects on band gap, splitting energies of valence bands, electron and hole effective masses in strained bulk ZnO are discussed. According to the results, the band gap increases gradually with increasing stress in strained ZnO as an Mg content of Znl-xMgxO substrate less than 0.3, which is consistent with the experimental results. It is further demonstrated that electron mass of conduction band (CB) under stress increases slightly. There are almost no changes in effective masses of light hole band (LHB) and heavy hole band (HHB) along [00k] and [k00] directions under stress, and stress leads to an obvious decrease in effective masses of crystal splitting band (CSB) along the same directions. 展开更多
关键词 GGA U band gap splitting energies electron mass
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Electron Mass Is Specified by Five Fundamental Constants, α, ħ, G, Λ, and ΩΛ, from Quantum Mechanics and General Relativity
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作者 T. R. Mongan 《Journal of Modern Physics》 CAS 2022年第12期1519-1524,共6页
Electron mass has been considered a fundamental constant of nature that cannot be calculated from other constants such as Planck’s constant &hstrok; and gravitational constant G. In contrast, holographic ana... Electron mass has been considered a fundamental constant of nature that cannot be calculated from other constants such as Planck’s constant &hstrok; and gravitational constant G. In contrast, holographic analysis takes account of the finite amount of information available to describe the universe and specifies electron mass to six significant figures in terms of five fundamental constants: fine structure constant α, &hstrok;, G, cosmological constant Λ, and vacuum fraction Ω<sub>Λ</sub><sub></sub><sub></sub> of critical density. A holographic analysis accounts for charge conservation, mass quantization, and baryon/antibaryon ratio. A holographic analysis relates electromagnetism and gravitation, specifies electron Compton wavelength in terms of Planck length and cosmological event horizon radius, and has implications for charged Standard Model fermion masses, minimum stellar mass at redshift z, and use of continuum mathematics in a discontinuous universe. 展开更多
关键词 electron mass Fundamental Constants Holographic Analysis
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液氦薄膜表面上与涟波子耦合的电子的有效质量 被引量:2
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作者 肖玮 《发光学报》 EI CAS CSCD 北大核心 2001年第2期131-134,共4页
研究在液氦薄膜表面上与涟波子 (ripplon)相互作用的二维电子的性质。采用线性组合算符和拉格郎日乘子法 ,导出了强、弱耦合两种极限情况下二维电子的有效质量。
关键词 液氦 涟波子 二维电子 有效质量 薄膜
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应用光电效应研究电子电磁质量的试验设计 被引量:2
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作者 苑新喜 《电子测试》 2018年第3期74-76,共3页
电子的电磁质量问题一直是物理学中一个悬而未决的问题。同时,光电效应是一种非常易于实现的物理现象,在科学技术上有着广泛的应用。在光电效应的理论解释中光电子的最大初速度占据非常显著和重要的地位,但是关于光电子的最大初速度的... 电子的电磁质量问题一直是物理学中一个悬而未决的问题。同时,光电效应是一种非常易于实现的物理现象,在科学技术上有着广泛的应用。在光电效应的理论解释中光电子的最大初速度占据非常显著和重要的地位,但是关于光电子的最大初速度的实验测量一直未见文献报道。进一步,通过对光电效应中光电子最大初速度的测量,再依据电磁场的能量-速度等关系,还能得到电子电磁质量的一种参考结果。本文就以此为最终目的,对光电子的最大初速度的试验测量和光电管的相关结构进行了初步的设计。 展开更多
关键词 光电效应 光电管 电子 电磁质量
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