Electronic structure of the electron-doped cuprate superconductors

Li Cheng; Huaiming Guo; Shiping Feng

doi:10.1016/j.physleta.2007.01.048

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Electronic structure of the electron-doped cuprate superconductors

Li Cheng·Huaiming Guo·Shiping Feng

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Abstract

Within the framework of the kinetic energy driven d-wave superconductivity, the electronic structure of the electron doped cuprate superconductors is studied. It is shown that although there is an electron-hole asymmetry in the phase diagram, the electronic structure of the electron-doped cuprates in the superconducting-state is similar to that in the hole-doped case. With increasing the electron doping, the spectral weight in the $(π,0)$ point increases, while the position of the superconducting quasiparticle peak is shifted towards the Fermi energy. In analogy to the hole-doped case, the superconducting quasiparticles around the $(π,0)$ point disperse very weakly with momentum.

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Li Cheng, Huaiming Guo, Shiping Feng. 2007-02-01. Electronic structure of the electron-doped cuprate superconductors. https://doi.org/10.1016/j.physleta.2007.01.048

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