Перегляд за автором "Plakida, N.M."

Сортувати за: Порядок: Результатів:

  • A theory of superconductivity in cuprates 
    Plakida, N.M. (Condensed Matter Physics, 2005)
    A microscopic theory of superconducting pairing mediated by antiferromagnetic (AFM) exchange and spin-fluctuations is developed within the effective p − d Hubbard model for the CuO₂ plane. It is proved that retardation ...
  • Electronic spectrum and superconductivity in Hubbard model 
    Plakida, N.M.; Oudovenko, V.S. (Condensed Matter Physics, 2008)
    A microscopic theory of electronic spectrum and superconducting pairing within the Hubbard model is formulated. The Dyson equation for the normal and anomalous Green functions in terms of the Hubbard operators is derived ...
  • Electronic spectrum and superconductivity in the t-J model on the honeycomb lattice 
    Plakida, N.M. (Condensed Matter Physics, 2018)
    A microscopic theory of electronic spectrum and superconductivity within the t-J model on the honeycomb lattice is formulated. The Dyson equation for the normal and anomalous Green functions for the two-band model in terms ...
  • Green function approach to the theory of superconductivity in the t - J model 
    Plakida, N.M. (Condensed Matter Physics, 1998)
    The theory of superconducting pairing due to the exchange and kinematical interactions in the t - J model in a paramagnetic state is developed. The Dyson equation for the matrix Green functions in terms of the ...
  • Spin-fluctuation superconductivity in the Hubbard model 
    Plakida, N.M. (Condensed Matter Physics, 1998)
    The theory of the superconductivity mediated by kinematic and exchange interactions in t−J and two-band Hubbard models in a paramagnetic state is formulated. The Dyson equations for the matrix Green functions in terms of ...
  • Superconductivity in the t-J model 
    Plakida, N.M. (Condensed Matter Physics, 2002)
    A comparison of microscopic theories for superconductivity in the limit of strong electron correlations is presented. We consider the results for the two-dimensional t-J model obtained within a projection technique for ...
  • Theory of antiferromagnetic pairing in cuprate superconductors (Review article) 
    Plakida, N.M. (Физика низких температур, 2006)
    A review of the antiferromagnetic exchange and spin-fluctuation pairing theory in the cuprate superconductors is given. We briefly discuss a phenomenological approach and a theory in the limit of weak Coulomb correlations. ...
  • Thermodynamic Green functions in theory of superconductivity 
    Plakida, N.M. (Condensed Matter Physics, 2006)
    A general theory of superconductivity is formulated within the thermodynamic Green function method for various types of pairing mediated by phonons, spin fluctuations, and strong Coulomb correlations in the Hubbard and ...