Theory of oxygen 1s resonant X-ray emission in edge-share-type quasi-one-dimensional cuprates

Kozo Okada, Akio Kotani

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The many-body nature of O 1s resonant X-ray emission spectroscopy (RXES) in edge-share-type quasi-one-dimensional cuprates with hole doping is discussed on the basis of finite-size cluster model calculations. In the case of hole-doped systems, the line shape of O 1s RXES strongly depends on the incident X-ray energy (ωin). This is just a manifestation of state-selectivity of RXES. When ωin is tuned at the upper Hubbard band, we observe inelastic scattering peaks due to the Zhang-Rice singlet (ZRS) and dd excitations besides the O 2p main band emission. On the other hand, when ωin is tuned at the ZRS band, the charge-transfer excitation edge region and the dd excitation peaks are significantly enhanced in accordance with the recent experiment for Ca2+xY2-xCu 5O10.

Original languageEnglish
Pages (from-to)797-800
Number of pages4
Journaljournal of the physical society of japan
Volume72
Issue number4
DOIs
Publication statusPublished - Apr 1 2003

Keywords

  • Cuprate
  • Electron correlation
  • Resonant X-ray emission spectroscopy
  • X-ray absorption

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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