Momentum dependence of photoemission spectra for high-Tc superconductors

H. J. Schmidt, Y. Kuramoto

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


This paper discusses the validity of the band picture in high-Tc superconductors on the basis of rigorus spectroscopic results for a Cu4O8 cluster. The calculated single particle spectra at low energies are qualitatively consistent with the band model. However, a large energy gap appears in the undoped ground state where a four-spin interaction is found to be important.

Original languageEnglish
Pages (from-to)443-445
Number of pages3
JournalPhysica B: Physics of Condensed Matter
Issue number1-3
Publication statusPublished - 1990 Apr

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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