Resonant inelastic x-ray scattering from valence excitations in insulating copper oxides

P. Abbamonte, C. A. Burns, E. D. Isaacs, P. M. Platzman, L. L. Miller, S. W. Cheong, M. V. Klein

Research output: Contribution to journalArticlepeer-review

Abstract

We report resonant inelastic x-ray measurements of insulating La2CuO4 and Sr2CuO2Cl2 taken with the incident energy tuned near the Cu K absorption edge. We show that the spectra are well described in a shakeup picture in third-order perturbation theory which exhibits both incoming and outgoing resonances and demonstrate how to extract a spectral function from the raw data. We conclude by showing q-dependent measurements of the charge transfer gap.

Original languageEnglish (US)
Pages (from-to)860-863
Number of pages4
JournalPhysical review letters
Volume83
Issue number4
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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