Properties of high-T(C) copper oxides from the nearly-free-electron model

Article

关键词: SPIN-PHONON INTERACTION;    CUPRATE SUPERCONDUCTORS;    TRANSITION-TEMPERATURE;   

DOI  :  10.1103/PhysRevB.76.140504

来源: SCIE

【 摘 要 】

The generic band structure of high-T(C) copper oxides is simulated by the nearly-free-electron model in two dimensions with parameters from ab-initio linear muffin-tin orbital calculations. Interaction between phonons and spin waves will cause potential modulations, and pseudogaps and the strength of the modulations, the wavelengths, and the doping are all related. A Fermi-surface arc is found for dynamic spin and phonon waves. The confinement of superconductivity between two limiting dopings can be a result of competition with the pseudogap at low doping and weak coupling at high doping.

【 授权许可】

Free