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核势和核子有效质量的同位旋相关性
  • ISSN号：1674-1137
  • 期刊名称：《中国物理C：英文版》
  • 时间：0
  • 分类：O571.22[理学—粒子物理与原子核物理;理学—物理]
  • 作者机构：[1]中国原子能科学研究院,北京102413, [2]兰州重离子加速器国家实验室原子核理论中心,兰州730000
  • 相关基金：国家自然科学基金（10475116,10235020,10535010）,“核物理和天体物理亚洲欧洲合作计划”CN/ASIA-LINK/008（094-791）资助
作者： 马中玉[1,2], 荣健[1]
关键词： DIRAC, Brueckner, Hartree-Fock理论, 核子有效质量, 核子光学势, Dirac Brueckner Hartree Fock theory, nucleon effective mass, nucleon scattering optical potential
中文摘要：

在Dirac Brueckner Hartree—Fock（DBHF）理论框架下研究了核子光学势和核子有效质量的同位旋相关性．非对称核物质的计算采用了DBHF的核子自能的Dirac结构的新的分解方法，核子自能的实部是用G矩阵在Hartree-Fock近似下计算得到，而虚部从极化图得到．用核子的薛定谔等价势可以得到核子矢量有效质量，研究表明考虑了核势的能量相关性在丰中子核物质情况下核子矢量有效质量比质子的大。

英文摘要：

The isospin-dependence of nucleon optical potentials and the nucleon effective mass is studied in the framework of the Dirac Brueckner Hartree-Fock （DBHF） approach. A new decomposition of the Dirac structure of the nuclear self-energy in the DBHF is extended to asymmetric nuclear matter calculations. The real part of the nucleon self-energy in asymmetric nuclear matter is calculated with the G-matrix in the Hartree-Fock approach, while the imaginary part is obtained from the polarization diagram. The nucleon vector effective mass is derived from the Schroedinger equivalent potentials. It is found that the neutron vector effective mass is larger than that of proton in the neutron-rich nuclear matter once the energy dependence of the nucleon potentials is considered.

同期刊论文项目
连续相对论无规位相近似和相对论核多体理论
期刊论文 38 会议论文 17
轻核区丰质子新核素的合成及性质研究
期刊论文 176 会议论文 14
超重核研究及新元素合成的探索
期刊论文 121 会议论文 11 著作 1
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重核熔合与裂变位垒的动力学回流
超重核熔合的靶合形变效应
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融合反应中动力学势垒的研究
The development of quantum mol
亲和力对熔合反应位垒的影响
Oscillation of hot fissioning
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Anomalous transport in unbound
Investigation of fusion reacti
Relation between the largest
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Q-value effects?on the product
Cancellation phenomenon of bar
Last Passage Time Statistics f
Numerical simulation of genera
Systematic Study of Stability
Deformation and orientation ef
Potential Energy of the Di-nuc
Comment on “Diffusion on a So
Generalized Calderia-Leggett s
Potential Energy Surface and F
Formation mechanism of super h
Isospin effect in intermetiate
Anomalous dissipation: Strong
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Role of PNN tensor coupling a
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Neutron Skin Thickness and Eff
重核熔合的耗散动力学
核模型中的模拟方法
Development of the neck in fus
超重核的生成和衰变
形变区超重核的合成和衰变研究
高温下复合核的热裂变速率
Non-Markovian Brownian dynamic
Possible Experimental Evidence
Effects of target deformation
Fusion probability in heavy io
Time-dependent diffusion in ra
Improved BCS-type pairing corr
Nucleon transfer and fusion cr
Production cross section of su
Evidence for enhancement of th
Some Aspects of Nuclear Struct
Dynamic Study of Fusion Reacti
Probing the density dependence
Study of Survival Probability
New isotope 265Bh
Momentum distribution of a fra
Determination of fission rate
Gamow-Teller Resonance of 90Zr
P-wave nuclear halos in 8B and
The halo structure of nucleus
Anomalous heat conduction indu
Screening of nuclear pairing i
Applications of the energy den
Time-dependent barrier passage
Investigation on anomalous dif
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非线性耗散对亚稳态系统量子衰变速率的影响
基于双核模型对超重元素合成机制的研究
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关于重核强阻尼反应的研究
超重核合成的同位素依赖探讨
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重核裂变过程中阻尼对中子发射的效应
超重核^266Hs形成截面的入射道依赖
重离子碰撞中超重核的形成机制
超重复合核的存活概率
巨单极共振和对称能
低能^2H（d，γ）^4He辐射俘获反应的理论研究
Optimal reactions for synthesis of nuclides of element 108
Superheavy fragments produced in the asymmetric strongly damped collision
Random Phase Approximation in Relativistic Approach
Bipartite Entanglement Dynamics in Three Qubits System with Dzyaloshinskii-Moriya Interaction
Superluminal group velocity in an anisotropic metamaterial
Restrictions on negative energy density for the Dirac field in flat spacetime
New deformed model of alpha-decay half-lives with a microscopic potential
Half-lives of spherical proton emitters
Cross sections of elastic electron and positron scattering from proton-rich nuclei
Scaling of anisotropic flow and momentum-space densities tor light particles in intermediate energy
Surveying the nucleon-nucleon momentum correlation function in the framework of quantum molecular dy
Moment analysis and Zipf law
Localization of s-wave and quantum effective potential of a quasi-free particle with position-depend
Theoretical studies on odd-Z superheavy nuclei
Charge density distributions and charge form factors of the N=82 and N=126 isotonic nuclei
Ground-state properties of Ca isotopes and the density dependence of the symmetry energy
Ground-state bands of Fm and no isotopes in cluster model
Theoretical studies on electron scattering of S and Si isotopes
Theoretical calculations of S-factor in H-2(d,gamma) He-4 at low energies
Isospin-dependent optical potentials in Dirac-Brueckner-Hartree-Fock approach
Systematic calculations on the ground state properties of Mg isotopes by the macroscopic-microscopic
Anomalous wave propagation in quasiisotropic media
Quantum inequality bounds for free Rarita-Schwinger field in flat spacetime
Elastic scattering angular dispersion of weakly bound nucleus F-17
Macroscopic-microscopic calculation on the ground state properties of superheavy odd-even nuclei
Proton elastic scattering from Be-14 and halo effects
Exotic behaviour of angular dispersion of weakly bound nucleus F-17 at small angles
Anomalous propagation of electromagnetic waves in anisotropic media with a unique dispersion relatio
形变对断前粒子发射同位旋效应的影响
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晕核反应机制与内部结构之间的关系
Deformations and B(E2) values of ne and mg nuclei around N=20
Chaotic phase oscillation of a proton beam in a synchrotron
A macroscopic-microscopic study of Ne and Mg nuclei around N=20
New exponential law of beta(+)-decay half-lives of nuclei far from beta-stable line
Calculations of alpha-decay half-lives by the generalized Viola-Seaborg formula
Global calculation of alpha-decay half-lives with a deformed density-dependent cluster model
Half lives of alpha-emitters approaching the N = Z line
Focusing and phase compensation of paraxial beams by a left-handed material slab
Research on some superheavy nuclei
Boundary conditions of Wigner-Seitz cell in inner crust of neutron stars with relativistic mean fiel
Elastic scattering of He-6 from C-12 at 38.3 MeV/nucleon
Isoscalar Giant Monopole Resonance in Relativistic Continuum Random Phase Approximation
Time reversal symmetry breaking holographic superconductor in constant external magnetic field
alpha-Decay calculations of medium mass nuclei within generalized density-dependent cluster model
Theoretical Study on N=126 Shell Evolution
Alpha-decay branching ratios to high-lying excited-states of the (242)cm -> Pu-238 -> U-234 -> Th-23
Entanglement dynamics of a Heisenberg chain with Dzyaloshinskii-Moriya interaction
Exotic alpha decays around the N=126 magic shell
Density-dependent potential for multi-neutron halo nuclei
Microscopic calculation of alpha-decay half-lives within the cluster model
电子和原子核散射研究原子核结构(英文)
三体系统中的Efimov态(英文)
Studies on the exotic structure of Al-23
Microscopic optical potentials in Li-6 scattering by nuclei
Microscopic optical potential for alpha-nucleus elastic scattering in a Dirac-Brueckner-Hartree-Fock
Symmetry energy and isovector giant dipole resonance in finite nuclei
Alpha decay energies and half-lives for possibly synthesized superheavy elements
Supersymmetry and solution of Dirac equation with vector and scalar potentials
Effects of velocity-dependent force on the magnetic form factors of odd-Z nuclei
Ground state properties of superheavy nuclei in macroscopic-microscopic model
Some new exact traveling wave solutions of double-sine-Gordon equation
Enhanced sensitivity to variation of fundamental constants in the narrow nuclear transitions (II)
Density and symmetric potential dependences of isoscaling behaviour in the lattice gas model
A possible experimental observable for the determination of neutron skin thickness
Electron scattering by C4H10 and C6H6 in the energy range 100-1000 eV
Temporal variation of the fine structure constant and the strong interaction parameter in the Th-229
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重离子弹性散射中的角分散研究
Three-body model for neutron-halo nuclei
Anti-synchronization between Lorenz and Liu hyperchaotic systems
alpha-decay studies of the exotic N=125, 126, and 127 isotones
Examining the exotic structure of the proton-rich nucleus Al-23
Evolution of the proton sd states in neutron-rich Ca isotopes
Shape coexistence in neutron-d.eficient at isotopes in relativistic mean-field model
Pygmy and giant dipole resonances in Ni isotopes
Giant monopole resonance and symmetry energy
Influence of D-state in He-4 on S factor for the H-2(d,gamma)He-4 reaction
Systematics of beta(-)-decay half-lives of nuclei far from the beta-stable line
Systematic studies on the exotic properties of isotopes from oxygen to calcium
Study of the isotonic shifts of charge form factor for the light proton-rich nuclei
Elastic magnetic form factors of exotic nuclei
Sensitive probe for symmetry potential
Study on charge form factors of the exotic nuclei He-6,He-8
Atomic population oscillations between two coupled Bose-Einstein condensates with time-dependent non
Isospin effect on level spacing of N=9 isotones
Angular dispersion and deflection function for heavy ion elastic scattering
奇特原子核~(6，8)He的电荷形状因子研究(英文)
Spatial chaos of Bose-Einstein condensates in a cigar-shaped trap
Simple formula of beta(+)-decay half-lives of nuclei far from beta-stable line
Differential cross sections of elastic electron scattering from CH4, CF4 and SF6 in the energy range
Influence of D-state in 4He
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Shape coexistence in neutron-d
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Alpha decay half-lives of new
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Giant Monopole Resonance and S
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6Li与核弹性散射的微观光学势
Evolution of the proton sd sta
Effect of Pairing Correlation
Low-lying Dipole Modes in 26,2
Ground-state properties of Ca
The inner crust of neutron sta
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alpha transitions to coexisting 0(+) states in Pb and Po isotopes
Coordinate transformation and exact solutions of Schrodinger equation with position-dependent effect
Systematic behavior of isospin effect in fragmentation reactions
Structures of light neutron-rich nuclei with orbit-orbit coupling
Scaling of anisotropic flows and nuclear equation of state in intermediate energy heavy ion collisio
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同位旋效应对F同位素s-d能级间隙的影响
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Na5,Na6和Na7团簇光学吸收谱的理论研究
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三体系统中的Efimov态
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^6Li与核弹性散射的微观光学势
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质子放射性寿命的新规律
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Differential cross sections of elastic electron scattering from CH4. CF4 and SF6 in the energy range l00-700eV
Simple Formula of β~+-Decay Half-Lives of Nuclei Far From β-Stable Line
奇特原子核^6,8He的电荷形状因子研究
Shape Coexistence in Neutron-Deficient At Isotopes in Relativistic Mean-Field Model
Shape Coexistence in Neutron-Deficient At Isotopes in Relativistic Mean-Field Model
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奇特原子核^26S及其同中子素的电荷分布及形状因子
Systematic studies on α-decay half-lives for super heavy nuclei
Entanglement dynamics of a Heisenberg chain with Dzyaloshinskii-Moriya interaction
Elastic scattering of ^6He from ^12^C at 38.3 MeV/nucleon
Elastic scattering of ^6He from ^12^C at 38.3 MeV/nucleon
入射质子的能量对质子与晕核弹性散射观测量的影响
Atomic population oscillations between two coupled Bose-Einstein condensates with time-dependent nonlinear interaction
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同位旋效应对N=9同中子素能级间隙的影响
弹核碎裂反应中同位旋效应的系统研究
巨单极共振和对称能
低能^2H（d，γ）^4He辐射俘获反应的理论研究
Control of entanglement sudden death induced Dzyaloshinskii-Moriya interaction
期刊信息
  • 《中国物理C：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院高能物理研究所 中国科学院近代物理研究所
  • 主编：王贻芳
  • 地址：北京市玉泉路19号（乙）
  • 邮编：100049
  • 邮箱：cpc@mail.ihep.ac.cn
  • 电话：010-88235947
  • 国际标准刊号：ISSN：1674-1137
  • 国内统一刊号：ISSN：11-5641/O4
  • 邮发代号:2-522
  • 获奖情况:
  • 2000年获中国科学院优秀期刊评比一等奖,中国期刊方阵“双百”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国剑桥科学文摘,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,英国英国皇家化学学会文摘
  • 被引量:189