Persistent currents and induced magnetization in presence of external magnetic field and transition probabilities in presence of combined laser pulse and external magnetic field for a confined hydrogen atom

被引：11
|
作者：
Prasad, Vinod [1 ]
Talwar, Shalini Lumb [2 ]
Lumb, Sonia [3 ]
Lefkidis, G. [4 ,5 ,6 ]
Huebner, W. [4 ,5 ]
机构：
[1] Univ Autonoma Metropolitana, Dept Quim, San Rafael Atlixco 186 Iztapalapa, Mexico City 09340, DF, Mexico
[2] Univ Delhi, Dept Phys, Maitreyi Coll, New Delhi 110021, India
[3] Univ Delhi, Dept Phys & Elect, Rajdhani Coll, New Delhi 110015, India
[4] Tech Univ Kaiserslautern, Dept Phys, Box 3049, D-67653 Kaiserslautern, Germany
[5] Tech Univ Kaiserslautern, Res Ctr OPTIMAS, Box 3049, D-67653 Kaiserslautern, Germany
[6] Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Shaanxi, Peoples R China
来源：
PHYSICS LETTERS A | 2019年 / 383卷 / 26期
关键词：
Hulthen potential; Ring potential; Persistent current; Induced magnetization; Laser pulse; EXACTLY COMPLETE SOLUTIONS; KRATZER POTENTIAL PLUS; SCHRODINGER-EQUATION; MOTION;
D O I：
10.1016/j.physleta.2019.06.013
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this work we propose to study an atom confined in a potential which consists of a Hulthen potential plus a ring-shaped potential. The atom is further subjected to a spherical confinement. The time-independent Schrodinger equation (TISE) of the system is solved numerically. Exact energy levels are obtained. The persistent current and induced magnetic field of such a confined atom is evaluated. Finally, the atomic system in this potential and confinement is subjected to short electromagnetic pulses, which are shown to induce enormous currents. (C) 2019 Elsevier B.V. All rights reserved.
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页数：7
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