25 citations · 59 across the 8 of their papers we have counts for
8 papers
The higher-order magnetic skyrmions in non-uniform magnetic fields
M. S. Shustin, V. A. Stepanenko, D. M. Dzebisashvili
For 2D Hubbard model with spin-orbit Rashba coupling in external magnetic field the structure of effective spin interactions is studied in the regime of strong electron correlation…
Effect of Coulomb repulsion on the London penetration depth in cuprate superconductors
K K Komarov, D M Dzebisashvili
We study the effect of Coulomb repulsion between oxygen holes on the London penetration depth based on the concept of spin-polaron nature of Fermi quasiparticles in cuprates su…
Coulomb repulsion of holes and competition between d_{x^2-y^2}-wave and s-wave parings in cuprate superconductors
V. V. Val'kov, D. M. Dzebisashvili, M. M. Korovushkin +1
The effect of the Coulomb repulsion of holes on the Cooper instability in an ensemble of spin-polaron quasiparticles has been analyzed, taking into account the peculiarities of the…
Stability of the d-wave pairing with respect to the intersite Coulomb repulsion in cuprate superconductors
V. V. Val'kov, D. M. Dzebisashvili, M. M. Korovushkin +1
Within the spin-fermion model for cuprate superconductors, the influence of the intersite Coulomb interactions and between holes located at the next-nearest-neighbor o…
Effective indirect multi-site spin-spin interactions in the s-d(f) model
K. K. Komarov, D. M. Dzebisashvili
Using the diagram technique for Matsubara Green's functions it is shown that the dynamics of the localized spin subsystem in the s-d(f) model can be described in terms of an effect…
The generalized Kondo lattice model and its spin-polaron implementation for cuprates by projection method
V. V. Val'kov, D. M. Dzebisashvili, A. F. Barabanov
It is shown that the spin-fermion model found to be an effective low-energy implementation of the three-band Emery model after Wannier transformation of - and -orbitals i…
Stability of the superconducting -wave pairing towards the intersite Coulomb repulsion between oxygen holes in high-T superconductors
V. V. Val'kov, D. M. Dzebisashvili, M. M. Korovushkin +1
It is shown that an account for the space separatedness of the two-orbital subsystem of the oxygen holes and the subsystem of the localized spins of copper ions in high-T cupra…
d-Wave Pairing in an Ensemble of Spin Polaron Quasiparticles in the Spin-Fermion Model of the Electronic Structure of the CuO2 Plane
V. V. Val'kov, D. M. Dzebisashvili, A. F. Barabanov
It is demonstrated for the first time that the strong coupling between spin moments of copper ions and oxygen holes, which arises upon hybridazation mixing of two hole subsystems i…