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相对论小分量波函数对原子光电离截面的影响

刘晓斌 邢永忠 孙小伟

刘晓斌, 邢永忠, 孙小伟. 相对论小分量波函数对原子光电离截面的影响[J]. 原子核物理评论, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082
引用本文: 刘晓斌, 邢永忠, 孙小伟. 相对论小分量波函数对原子光电离截面的影响[J]. 原子核物理评论, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082
LIU Xiao-bin, XING Yong-zhong, SUN Xiao-wei. Effects of Relativistic Small Radial Component on Atomic Photoionization Cross sections[J]. Nuclear Physics Review, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082
Citation: LIU Xiao-bin, XING Yong-zhong, SUN Xiao-wei. Effects of Relativistic Small Radial Component on Atomic Photoionization Cross sections[J]. Nuclear Physics Review, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082

相对论小分量波函数对原子光电离截面的影响

doi: 10.11804/NuclPhysRev.25.01.082
详细信息
    通讯作者: 刘晓斌

Effects of Relativistic Small Radial Component on Atomic Photoionization Cross sections

  • 摘要: 利用相对论平均自洽场理论, 研究了相对论波函数的小分量对原子光电离截面的影响。原子核尺寸效应将使波函数小分量对原子光电离截面的影响减弱。由于波函数沿径向空间被压缩, 电子离核的平均半径较小, 波函数小分量对高离化态离子光电离截面的影响比对一般原子要强得多。波函数小分量反映了相对论效应的基本特征, 从而也定性地说明了光电离过程中相对论效应的强弱。The effects of relativistic small radial component on atomic photoionization cross sections have been studied within relativistic average selfconsistent field theory. Relativistic effects are relatively unimportant for low photon energy, along with a review of highenergy photoionization the relativistic effects are quite important. The effects of relativistic small radial component on photoionization process should show breakdown when the nuclear finitesize effects is taken into account. The compression of wavefunction into the space near nucleus is so strong in highly charged ions that the electronic radius greatly decreases, and the effects of relativistic small radial component on photoionization cross sections turn to stronger than ordinary atoms. Since relativistic effects are extremely sensitive to the behavior of small radial component, the results are in good agreement with relativistic effects on photoionization cross section.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2008-03-20

相对论小分量波函数对原子光电离截面的影响

doi: 10.11804/NuclPhysRev.25.01.082
    通讯作者: 刘晓斌

摘要: 利用相对论平均自洽场理论, 研究了相对论波函数的小分量对原子光电离截面的影响。原子核尺寸效应将使波函数小分量对原子光电离截面的影响减弱。由于波函数沿径向空间被压缩, 电子离核的平均半径较小, 波函数小分量对高离化态离子光电离截面的影响比对一般原子要强得多。波函数小分量反映了相对论效应的基本特征, 从而也定性地说明了光电离过程中相对论效应的强弱。The effects of relativistic small radial component on atomic photoionization cross sections have been studied within relativistic average selfconsistent field theory. Relativistic effects are relatively unimportant for low photon energy, along with a review of highenergy photoionization the relativistic effects are quite important. The effects of relativistic small radial component on photoionization process should show breakdown when the nuclear finitesize effects is taken into account. The compression of wavefunction into the space near nucleus is so strong in highly charged ions that the electronic radius greatly decreases, and the effects of relativistic small radial component on photoionization cross sections turn to stronger than ordinary atoms. Since relativistic effects are extremely sensitive to the behavior of small radial component, the results are in good agreement with relativistic effects on photoionization cross section.

English Abstract

刘晓斌, 邢永忠, 孙小伟. 相对论小分量波函数对原子光电离截面的影响[J]. 原子核物理评论, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082
引用本文: 刘晓斌, 邢永忠, 孙小伟. 相对论小分量波函数对原子光电离截面的影响[J]. 原子核物理评论, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082
LIU Xiao-bin, XING Yong-zhong, SUN Xiao-wei. Effects of Relativistic Small Radial Component on Atomic Photoionization Cross sections[J]. Nuclear Physics Review, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082
Citation: LIU Xiao-bin, XING Yong-zhong, SUN Xiao-wei. Effects of Relativistic Small Radial Component on Atomic Photoionization Cross sections[J]. Nuclear Physics Review, 2008, 25(1): 82-86. doi: 10.11804/NuclPhysRev.25.01.082

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