| 强磁场中氢原子的能级结构 |
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| 引用本文： | 曾思良,倪飞飞,何建锋,邹士阳,颜君.强磁场中氢原子的能级结构[J].物理学报,2011,60(4):43201-043201. |
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| 作者姓名： | 曾思良 倪飞飞 何建锋 邹士阳 颜君 |
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| 作者单位： | (1)北京理工大学理学院,北京 100081; (2)北京应用物理与计算数学研究所,北京 100088 |
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| 基金项目： | 国家自然科学基金(批准号:10904006, 10878008, 10875017,10734140),国家重点基础研究发展计划(批准号:2005CB724500),中国工程物理研究院科学技术发展基金(批准号:2009B0102011,2009A0102006)资助的课题. |
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| 摘 要： | 发展了一套简单高效的非微扰理论方法研究强磁场中的原子能级结构.作为例子,给出了磁场强度从0到1000个原子单位,氢原子基态和低激发态的结合能以及四极矩等重要原子能级结构参数.结果表明:相对于其他的高精度计算方法,该方法不仅能计算出高精度的能级位置而且可方便给出精确的电子波函数.此外,该法还具有很强的普适性,可直接推广到原子与任意方向的交叉电磁场相互作用的研究.
关键词：
强磁场
CWDVR谱方法
氢原子能级结构
四极矩
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| 关 键 词： | 强磁场 CWDVR谱方法 氢原子能级结构 四极矩 |
| 收稿时间： | 5/7/2010 12:00:00 AM |
Calculations of low-lying states of hydrogen atom in strong magnetic field by generalized pseudospectral method |
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| Zeng Si-Liang,Ni Fei-Fei,He Jian-Feng,Zou Shi-Yang,Yan Jun.Calculations of low-lying states of hydrogen atom in strong magnetic field by generalized pseudospectral method[J].Acta Physica Sinica,2011,60(4):43201-043201. |
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| Authors: | Zeng Si-Liang Ni Fei-Fei He Jian-Feng Zou Shi-Yang Yan Jun |
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| Institution: | Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;School of Science, Beijing Institute of Technology, Beijing 100081, China;School of Science, Beijing Institute of Technology, Beijing 100081, China;Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;Institute of Applied Physics and Computational Mathematics, Beijing 100088, China |
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| Abstract: | A very simple and highly accurate method of investigating the behavior of atomic system in a strong magnetic field has been developed based on the generalized pseudospectral discretization. As examples, we present the calculations of the binding energies and quadruple moments for the ground and low-lying excited states of the hydrogen atom in a magnetic field ranging from zero up to 1000 a.u.. The obtained results are found to be in excellent agreement with other high-accuracy theoretical calculations. The present method may be straightforwardly applied to cross electric-magnetic field in an arbitrary orientation. |
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| Keywords: | strong magnetic field CWDVR generalized pseudospectral method energy level quadrupole moment |
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