Search Results - "Zarubin, A.V."
-
1
Frustrations on decorated triangular lattice in Ising model
Published in Physica A (01-10-2023)“…We study the frustration properties of the Ising model on a decorated triangular lattice with an arbitrary number of decorating spins on all lattice bonds in…”
Get full text
Journal Article -
2
Frustration and ordering in Ising chain in an external magnetic field with third-neighbor interactions
Published in Journal of magnetism and magnetic materials (15-04-2023)“…In this paper, the frustration properties of the Ising model on a one-dimensional monoatomic equidistant lattice in an external magnetic field are…”
Get full text
Journal Article -
3
Frustrations in the Ising chain with the third-neighbor interactions
Published in Journal of magnetism and magnetic materials (15-11-2020)“…•Frustrations are described in the Ising chain with the third-neighbors interactions.•Criteria for the emergence of magnetic frustrations are…”
Get full text
Journal Article -
4
Peculiarities of the electron spectrum and metal-insulator transition in the strong correlation limit
Published in Journal of experimental and theoretical physics (01-05-2013)“…Green’s function in the paramagnetic phase of the Hubbard model with strong electron correlations is calculated by the many-electron operators method. The…”
Get full text
Journal Article -
5
Ferromagnetism, spiral magnetic structures and phase separation in the two-dimensional Hubbard model
Published in Journal of magnetism and magnetic materials (01-10-2012)“…The quasistatic approximation and equation-of-motion decoupling for the electron Green's functions are applied to trace the effect of electronic dispersion and…”
Get full text
Journal Article -
6
Ferromagnetism in Hubbard model in many-electron operator representation
Published in Journal of experimental and theoretical physics (01-05-2012)“…The Hubbard model for a metal with strong correlations is considered in the representation of many-electron X -operators. General self-consistent expressions…”
Get full text
Journal Article -
7
Twelve-state Potts model in a magnetic field
Published in Physics of metals and metallography (01-02-2015)“…In this work, we have obtained an exact solution to the one-dimensional modified 12-state Potts model using the Kramers-Wannier transfer matrix with allowance…”
Get full text
Journal Article -
8
Single-particle spectrum for a model of fermions interacting with two-level local excitations on a lattice: A dynamical CPA approach
Published in Physics letters. A (18-09-2006)“…The problem of motion of a single electron interacting with a periodic lattice of two-level systems is investigated within a spinless fermion model. The…”
Get full text
Journal Article -
9
Saturated and non-saturated ferromagnetism in the Hubbard model with strong correlations
Published in Journal of magnetism and magnetic materials (01-05-2006)“…The stability of saturated and non-saturated ferromagnetism in the Hubbard model is considered in terms of the Green's functions for the Hubbard's…”
Get full text
Journal Article -
10
The Kondo effect in periodic narrow-band systems
Published in The European physical journal. B, Condensed matter physics (01-08-2000)Get full text
Journal Article