中国物理B ›› 2015, Vol. 24 ›› Issue (8): 83101-083101.doi: 10.1088/1674-1056/24/8/083101

• ATOMIC AND MOLECULAR PHYSICS • 上一篇    下一篇

Spectral properties of endohedrally confined helium atom

方帅帅, 乔豪学   

  1. Department of Physics, School of Physics and Technology, Wuhan University, Wuhan 430072, China
  • 收稿日期:2015-03-03 修回日期:2015-04-01 出版日期:2015-08-05 发布日期:2015-08-05
  • 基金资助:

    Project supported by the National Natural Science Foundation of China (Grant No. 11274246.)

Spectral properties of endohedrally confined helium atom

Fang Shuai-Shuai (方帅帅), Qiao Hao-Xue (乔豪学)   

  1. Department of Physics, School of Physics and Technology, Wuhan University, Wuhan 430072, China
  • Received:2015-03-03 Revised:2015-04-01 Online:2015-08-05 Published:2015-08-05
  • Contact: Fang Shuai-Shuai E-mail:qhx@whu.edu.cn
  • Supported by:

    Project supported by the National Natural Science Foundation of China (Grant No. 11274246.)

摘要:

Based on the B-spline basis method, the properties of the helium atom confined inside an endohedral environment, such as buckminster fullerene, are studied. In our calculations, the endohedral environment is a parabolic potential well. In this situation, the phenomenon of “mirror collapse” is exhibited for energy levels of a confined helium atom. The “giant resonance” of oscillator strength of the dipole transition emerges with the variation of depth of the confining well. The physical mechanisms of these phenomena are analyzed in this paper.

关键词: B-spline, fullerene, mirror collapse, giant resonance

Abstract:

Based on the B-spline basis method, the properties of the helium atom confined inside an endohedral environment, such as buckminster fullerene, are studied. In our calculations, the endohedral environment is a parabolic potential well. In this situation, the phenomenon of “mirror collapse” is exhibited for energy levels of a confined helium atom. The “giant resonance” of oscillator strength of the dipole transition emerges with the variation of depth of the confining well. The physical mechanisms of these phenomena are analyzed in this paper.

Key words: B-spline, fullerene, mirror collapse, giant resonance

中图分类号:  (Theory of electronic structure, electronic transitions, and chemical binding)

  • 31.10.+z
31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)