检索结果-南通市图书馆

Energy Positions of the 1,3DeRydberg Series of the He-like Ions Up to the N= 9 Threshold

引用

Journal of Applied Mathematics and Physics 2020年第8期8卷 1535-1549页

作者： Matabara Dieng Babou Diop Malick Sow Youssou Gning Mamadi Biaye Ababacar Sadikhe Ndao Ahmadou Wagué Department of Physics UFR-SATIC University Alioune Diop of Bambey Bambey Senegal Laboratoire Atomes-Lasers Department of Physics University Cheikh Anta Diop Dakar Senegal Department of Physics and Chemistry Faculty of Sciences and Technologies of Formation and Education University Cheikh Anta Diop Dakar Senegal

The doubly excited states of helium-like ions are investigated using a combination of the no-linear parameters of Hylleraas and the β-parameters of screening constant by unit nuclear charge. Calculations are performed for total energies of low-lying doubly excited states (N = 2 - 9) in He-like ions up to Z = 10. The results obtained from the novel method are in good agreement with the available theoretical calculations and experimental observations.

关键词： Electronic Correlations Variational Calculations Atoms And Ions helium-like systems Singlet States Triplet States Matrix Elements Doubly-Excited States Autoionization

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Calculations Energy of the (nl2) 1LπDoubly Excited States of Two-Electron systems via the Screening Constant by Unit Nuclear Charge Formalism

引用

Journal of Modern Physics 2020年第11期11卷 1891-1910页

作者： Momar Talla Gning Ibrahima Sakho Malick Sow Department of Experimental Sciences UFR Sciences and Technologies University of Thies Thies Senegal Atoms Laser Laboratory Department of Physics Faculty of Sciences and Technologies University Cheikh Anta Diop Dakar Senegal

In this work, the total energies of doubly excited states (ns2) 1Se, (np2) 1De, (nd2) 1Ge, (nf2) 1Ie, (ng2) 1Ke, and (nh2) 1Me of the helium isoelectronic sequence with Z ≤ 10 are calculated in the framework of the variational method of the Screening Constant by Unit Nuclear Charge (SCUNC). These calculations are performed using a new wavefunction correlated to Hylleraas-type. The possibility of using the SCUNC method in the investigation of high-lying Doubly Excited States(DES) in two-electron systems is demonstrated in the present work in the case of the (nl2) 1Lπ doubly excited states, where accurate total energies are tabulated up to n = 20. All the results obtained in this paper are in agreement with the values of the available literature and may be useful for future experimental and theoretical studies on the doubly excited (nl2) 1Lπ states of two-electron systems.

关键词： Doubly Excited States helium-like systems Screening Constant by Unit Nuclear Charge (SCUNC) Wave Functions Correlated Total Energy

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Variational Calculation of the Doubly-Excited States Nsnp of He-like Ions via the Modified Atomic Orbitals Theory

引用

Journal of Modern Physics 2021年第2期12卷 105-121页

作者： Abdourahmane Diallo Ibrahima Sakho Jean Kouhissoré Badiane Mamadou Diouldé Ba Modou Tine Department of Physics UFR Sciences and Technologies University Assane Seck of Ziguinchor Ziguinchor Senegal Department of Physics and Chemistry UFR Sciences and Technologies University of Thiès Thiès Senegal

In this paper, we have declined the formalism of the method of the Modified Atomic Orbital Theory (MAOT) applied to the calculations of energies of doubly excited states 2snp, 3snp, and 4snp helium-like systems. Then we also applied the variational procedure of the Modified Atomic Orbital Theory to the computations of total energies, excitation energies of doubly-excited states 2snp, 3snp, 4snp types of helium-like systems. The results obtained in this work are in good agreement with the experimental and theoretical values available.

关键词： Modified Atomic Orbital Theory Doubly Excited States Excitation Energy helium-like systems

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：