Correlated charge excitations in quasi-low-dimensional mott insulators

M. Z. Hasan, Y. D. Chuang, Y. Li, P. A. Montano, Z. Hussain, G. Dhalenne, A. Revcolevschi, H. Eisaki, N. Motoyama, S. Uchida

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We report momentum dependence of charge excitations across the effective Mott gap in quasi-low dimensional model cuprates with different effective dimensionalities (CuGeO3 and SrCuO2), using high resolution inelastic X-ray scattering by working near a resonance. Particle-hole pair excitations at the gap edge in these compounds are found to be strongly dependent on the effective dimensionality of the lattice and the strength of electron-electron Coulomb interaction.

Original languageEnglish (US)
Pages (from-to)3519-3524
Number of pages6
JournalInternational Journal of Modern Physics B
Issue number18-20 II
StatePublished - Aug 10 2003

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics


  • Correlated electrons
  • Inelastic X-ray scattering
  • Mott insulators
  • Resonant


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