Experimentally observed extended saddle point singularity in the energy spectrum of YBa2Cu3O6.9 and YBa2Cu4O8 and some of the consequences

This publication has 13 references indexed in Scilit:

• Fermi-surface topology of ${\mathrm{YBa}}_2$${\mathrm{Cu}}_3$${\mathrm{O}}_{\mathit{x}}$ with varied oxygen stoichiometry: A photoemission study
  Physical Review B, 1992
• Saddle-point pairing: An electronic mechanism for superconductivity
  Physical Review Letters, 1992
• Surface effects on YBa2Cu3O7−δ by angle-resolved photoemission
  Surface Science, 1992
• Valence bands and Fermi-surface topology of untwinned single-crystal ${\mathrm{YBa}}_2$${\mathrm{Cu}}_3$${\mathrm{O}}_{6.9}$
  Physical Review B, 1992
• VAN HOVE SINGULARITIES AND HIGH-T_c SUPERCONDUCTIVITY: A REVIEW
  International Journal of Modern Physics B, 1991
• Role of Van Hove singularity in high-temperature superconductors: Mean field
  Physical Review B, 1991
• Phase separation near the Mott transition in La_2-xSr_xCuO₄
  Journal of Physics: Condensed Matter, 1990
• The high-T_csuperconductors: a conservative view
  Journal of Physics: Condensed Matter, 1989
• Correlation of Tc with structure in the density of states in the new high-Tc superconductors
  Physica C: Superconductivity and its Applications, 1989
• The Occurrence of Singularities in the Elastic Frequency Distribution of a Crystal
  Physical Review B, 1953