Local and Nonlocal Exeitations in Cu 4p-1s Resonant X-Ray Emission Spectra of Nd_2CuO_4

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概要

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• Theoretical sttrdy for Ctr 4p-Is resonant X-rsry' enaission spectroscopy (RXES) of' NdpCtrO.j isgixven in tlae context of' local and raorulocal n;tttrr'es of' electronic excitations. Det;tiled ;tnalvses xvith2111 iza?pttu'ity Anderson utaodel stud ztutrlti-Ctz ttaodeJs 2115' preseuated, T,>?tsed on ex?tct diagonalizationtechniqtre. By inavestigating j.c?trti;xl densities of' stattes, basic characters of' each excited st?tte ?treclarified. It is deraaotustrated tla?tt a dis?rgreeta?erat x'x'itlu exjcerirruetatatl data is trnavoidstlvle xx'iththe iraaptrrity unodel. The key cot?cept to solve the diflictrlty is ZFtang-Rice siraglet f'oruan;ttionit? tlae internaaediate state of' RXES. NX7e finad that it strrx'ives in tlte fin?tI state of' R.XF,S as theJoxvest chaarge-transf'er excitaatiota. The liaaaitation of the iuaajctrrit)' utaodel and tl'ue essential role of'r?orulocal excitations in FIXES stre stressed.

• 社団法人日本物理学会の論文
• 1999-09-15

著者

• KOTANI Akio

  Institute for Solid State Physics,University of Tokyo

• 小谷 章雄

  SPring-8

• 小谷 章雄

  理研 Spring-8:高エ研

• Kotani Akio

  Department Of Mechanical Engineering Osaka University

• 小谷 章雄

  理化学研究所播磨研究所

• IDE Tsuyoshi

  Institute for Solid State Physics, The University of Tokyo

• Ide Tsuyoshi

  Institute For Solid State Physics The University Of Tokyo

• Kotani Akio

  Institut De Physique Et Chimiedes Materiaux De Strasbourg Cnrs

• KOTANI Akio

  Department of Physics, Tohoku University : Institute for Solid State Physics, University of Tokyo

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