搜索结果: 1-15 共查到“物理学 Hartree-Fock”相关记录15条 . 查询时间(0.112 秒)
Rotational Bands and Electromagnetic Transitions of some even-even Neodymium Nuclei in J-Projected Hartree-Fock Model
J-Projected Hartree-Fock Model Nuclei Electromagnetic Transitions
2011/7/20
Rotational structures of even-even $^{148-160}$Nd nuclei are studied with the self-consistent deformed Hartree-Fock (HF) and angular momentum (J) projection model. Spectra of ground band, recently obs...
Quantum Monte Carlo facing the Hartree-Fock symmetry dilemma: The case of hydrogen rings
Quantum Monte Carlo Hartree-Fock hydrogen rings
2011/8/5
Abstract: When using Hartree-Fock (HF) trial wave functions in quantum Monte Carlo calculations, one faces, in case of HF instabilities, the HF symmetry dilemma in choosing between the symmetry-adapte...
In this short paper, the validity of Koopmans’ theorem in the Hartree-Fock theory at non-zero temperature (Hartree-Fock statistical theory) is investigated. It is shown that Koopmans’ theorem does not...
Skyrme-Hartree-Fock Description of the Dipole Strength in Neutron-Rich Tin Isotopes
Skyrme-Hartree-Fock Description Dipole Strength Neutron-Rich Tin Isotopes
2011/1/7
Low-energy E1 strength in neutron-rich 132−164Sn isotopes is analyzed in the framework of the Skyrme random phase approximation (RPA) with different Skyrme forces. A double folding procedure is ...
Particle-Number Projected Hartree-Fock-Bogoliubov Study with Effective Shell Model Interactions
Particle-Number Projected Hartree-Fock-Bogoliubov Study Effective Shell Model Interactions
2011/1/7
We perform particle-number projected mean-field study using the recently developed symmetryprojected Hartree-Fock-Bogoliubov (HFB) equations. Realistic calculations have been performed in sd- and fp-s...
OBEP在某些有限核的Hartree-Fock计算中的应用
Hartree-Fock计算 OBEP 有限核
2009/11/10
本工作以忽略了自旋轨道耦合项和张量项的单玻色子交换势作为核子-核子的相互作用势, 用Hartree-Fock方法计算16O、12C和8Be的基态结合能、核半径和粒子波函数, 得到了令人满意的计算结果.
Hartree-Fock解多重性的研究
多重性 Hartree-Fock解
2009/7/31
本文利用推广的三能级可解模型对Hartree-Fock(HF)单粒位的自洽求解做了详细考察,指出求解过程中出现的多解性应当引起注意.此外,本文还讨论了HF解在力参数的某些区域发生突变的原因,它的稳定性以及它和两体相互作用强度的关系.
用形变的Skyrme-Hartree-Fock计算讨论了11Be的晕结构. 通过引入绝热堵塞计算, 得到了11Be的1/2+态有很大的形变, 得到的密度分布和实验值很好地符合. 还讨论了出现形变晕态的波函数密度分布和角动量大小等问题.
用Skyrme-Hartree-Fock理论研究Z=8和Z=50附近同位素核的基态特性,在计算中使用了3套新的力参数SK12、SK13和SK14计算结果表明,以上力参数的Skyrme-Hartree-Fock理论对这些核提供了一个很好的描述.在3组参数中,考虑同位旋有关的自旋-轨道力的SK14参数是最好的,并且它还能够成功地得到Z=50附近的核的电荷同位素移动.
相对论Hartree-Fock研究奇特核的性质
奇特核 相对论Hartree–Fock理论 矢量介子
2009/5/22
采用相对论Hartree-Fock(RHF)理论来描述奇特核的性质.为了研究Fock项和矢量介子对奇特核性质的贡献和避免有效相互作用的不惟一性,本文推广应用没有自由参数的密度有关的相对论Hartree(RDH)和Hartree-Fock(RDHF)理论来描述奇特核的性质.在RDH和RDHF近似下,计算了钙同位素链的性质,特别研究了Fock交换项和矢量介子的贡献.研究表明交换项和矢量介子对非常丰中子...
Skyrme–Hartree–Fock方法对Ca同位素基态性质的研究(Ⅱ)中子晕、中子皮与经典禁区内粒子
Skyrme–Hartree–Fock模型 Ca同位素 中子晕与中子皮 纯中子物质 经典禁区粒子
2008/1/27
Abstract用Skyrme-Hartree-Fock模型研究了Ca同位素的纯中子物质的厚度和经典禁区内粒子数随同位旋的变化.定义了零粒子半径和单粒子半径,并用这两种半径定义方法研究纯中子物质厚度后发现:纯中子物质的厚度明显地受到壳结构的影响,零粒子半径和单粒子半径是探讨中子晕比较合适的物理量.经典禁区内质子数和中子数的差别可以作为定义中子晕或中子皮的指标.
Skyrme–Hartree–Fock方法对Ca同位素基态性质的研究(Ⅰ)结合能、壳结构、半径与密度分布
Skyrme-Hartree-Fock模型 Ca同位素 不稳定核 结合能和壳效应 核半径和密度分布
2008/1/27
用Skyrme Hartree Fock模型系统地研究了40Ca到70Ca到Ca同位素偶偶核的基态性质及其同位旋依赖性.讨论了结合能、均方根半径、密度分布随同位旋的变化,研究了壳效应对结合能、双中子分离能S2n及和表面弥散厚度的影响.结果表明壳效应在S2n、表面弥散厚度中表现得非常明显.质子均方根半径Rrms随相对中子数I=(N-Z)/A的变化满足Rrms=3/5(1+αI+βI2)rpZ1/3....
Ground-State Properties of C, O, and Ne Isotopes in Hartree-Fock-Bogoliubov Calculation with Gogny Interaction
Hartree-Fock-Bogoliubov Gogny interaction drip-line nuclei
2007/8/15
2003Vol.40No.5pp.573-576DOI:
Ground-State Properties of C, O, and Ne Isotopes in Hartree-Fock-Bogoliubov Calculation with Gogny Interaction
GUO Lu,1,2 ZHAO En-Guang,1 and SAKATA F...
Potential Energy Surface in
Hartree-Fock Theory: Adiabatic or
Configuration-Constrained?
Hartree-Fock configuration-dictated method Gogny interaction
adiabatic assumption
2007/8/15
2004Vol.41No.2pp.257-262DOI:
Potential Energy Surface in
Hartree-Fock Theory: Adiabatic or
Configuration-Constrained?
GUO Lu,1,2 Sakata Fumihiko,1 and ZHAO
En-Guang2
1...
On the evaluation of determinantal wave functions in open-shell Hartree-Fock theory
Open-shell system Hartree-Fock theory Determinantal wave function
2010/4/14
Slater method is modified for the evaluation of determinantal wave functions appearing in open-shell Hartree-Fock (HF) theory [1]. Using modified Slater method we have calculated, as an example, the o...