Cold-atoms on a two-dimensional square optical lattice with an alternating potential (2009)
Guo, Huaiming, Wen, Yuchuan, Feng, Shiping
The cold-atom on a two-dimensional square optical lattice is studied within the hard-core boson Hubbard model with an alternating potential. In terms of the quantum Monte Carlo method, it is shown...
Magnetic field induced incommensurate resonance in cuprate superconductors (2008)
Zhang, Jingge, Cheng, Li, Guo, Huaiming, Feng, Shiping
The influence of a uniform external magnetic field on the dynamical spin response of cuprate superconductors in the superconducting state is studied based on the kinetic energy driven superconducting...
Wang, Zhi, Guo, Huaiming, Feng, Shiping
Within the framework of the kinetic energy driven superconducting mechanism, the effect of the extended impurity scatterers on the quasiparticle transport of cuprate superconductors in the...
Electronic structure of kinetic energy driven cuprate superconductors (2007)
Feng, Shiping, Guo, Huaiming, Lan, Yu, Cheng, Li
In this paper, we review the low energy electronic structure of the kinetic energy driven d-wave cuprate superconductors. We give a general description of the charge-spin separation fermion-spin...
Electronic structure of the electron-doped cuprate superconductors (2007)
Cheng, Li, Guo, Huaiming, Feng, Shiping
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...
The fundamental role of superconducting quasiparticle coherence in cuprate superconductors (2006)
Within the kinetic energy driven superconducting mechanism, we study the interplay between superconductivity and the nodal and antinodal superconducting quasiparticle coherences in cuprate...
Electronic structure of kinetic energy driven superconductors (2006)
Within the framework of the kinetic energy driven superconductivity, we study the electronic structure of cuprate superconductors. It is shown that the spectral weight of the electron spectrum in the...
Asymmetry of the electron spectrum in hole-doped and electron-doped cuprates (2005)
Within the t-t'-J model, the asymmetry of the electron spectrum and quasiparticle dispersion in hole-doped and electron-doped cuprates is discussed. It is shown that the quasiparticle dispersions of...
Ma, Tianxing, Guo, Huaiming, Feng, Shiping
Within the kinetic energy driven superconducting mechanism, the interplay between the single particle coherence and superconducting instability in doped cuprates is studied. The superconducting...
The magnetic nature of superconductivity in doped cuprates (2004)
Feng, Shiping, Ma, Tianxing, Guo, Huaiming
Within the kinetic energy driven superconducting mechanism, the magnetic nature of cuprate superconductors is discussed. It is shown that the superconducting state is controlled by both charge...
Doping dependence of charge dynamics in electron-doped cuprates (2004)
Ma, Tianxing, Guo, Huaiming, Feng, Shiping
Within the t-t'-J model, the doping dependence of charge dynamics in electron-doped cuprates is studied. The conductivity spectrum shows a pseudogap structure with a low-energy peak appearing at...