Relativistic B-Spline R-Matrix Calculations for Electron Scattering from Thallium Atoms

被引：1
|
作者：
Wang, Yang [1 ]
Du, Hai-Liang [1 ]
Zhu, Xi-Ming [1 ,2 ]
Zatsarinny, Oleg [3 ]
Bartschat, Klaus [3 ]
机构：
[1] Harbin Inst Technol, Sch Phys, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China
[3] Drake Univ, Dept Phys & Astron, Des Moines, IA 50311 USA
来源：
ATOMS | 2021年 / 9卷 / 04期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
electron scattering; thallium; elastic; excitation; differential cross-section; spin asymmetry function; fully relativistic Dirac B-spline R-matrix; LOW-ENERGY SCATTERING; GENERALIZED STU-PARAMETERS; ELASTIC-SCATTERING; HG; TL; PB;
D O I：
10.3390/atoms9040094
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The Dirac B-spline R-matrix (DBSR) method is employed to treat low-energy electron collisions with thallium atoms. Special emphasis is placed on spin polarization phenomena that are investigated through calculations of the differential cross-section and the spin asymmetry function. Overall, good agreement between the present calculations and the available experimental measurements is found. The contributions of electron exchange to the spin asymmetry cannot be ignored at low impact energies, while the spin-orbit interaction plays an increasingly significant role as the impact energy rises.
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页数：11
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