Calculation of Photoabsorption Cross Section of an Extended Thomas-Fermi Atom

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概要

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• Bloch's hydrodynamic approximation for treating the charge oscillation of anatom is arr>Iied to the Thomas-Fermi atom extended b'? introducins a modifiedWeizsicker correction. Normal mode solutions of the oscillation are obtainedand the atomic photoabsorption cross section and the Ioxarithmic mean excitationenersv are calculated. The differences of the results from those of the simpmeThomas-Fermi atom are as follows : (1 ) The eixenfreczuencies of the normal modesconsist of one discrete value ct:>o (<coc) and continuous values between co. and co,where 0)c IS l definxte frequency characterxstmc f0f BIT 1I1d1V1dLl3l atom. (2) Thephotoabsorption cross section has also a discrete value corresponding to thefrccnucnc't coo and continuous values for freczuencies larger than coc. (3) Thelogarithmic mean excitation energy becomes larger.

• 社団法人日本物理学会の論文
• 1981-03-15

著者

• Tomishima Yasuo

  Department Of Physics Faculty Of Science Okayama University

• AKAMATSU Ryozo

  Department of Physics,Okayama University

• HORITA Tetsuo

  Department of Physics,Okayama University

• Horita Tetsuo

  Department Of Physics Okayama University

• Akamatsu Ryozo

  Department Of Physics Faculty Of Science Kyushu University

• Akamatsu Ryozo

  Department Of Physics Okayama University

• Tomishima Yasuo

  Department Of Physics Faculty Of Science Okayama

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