23 citations · 87 across the 16 of their papers we have counts for
16 papers
The formation of magnetic reentrancy in the Ising model on a decorated square lattice
A. V. Zarubin, F. A. Kassan-Ogly
In our work, based on an exact solution of the Ising model on a decorated square lattice with an arbitrary number of decorating spins, we have demonstrated the fundamental possibil…
Frustrations on Decorated Square Lattice in Ising Model
F. A. Kassan-Ogly, A. V. Zarubin
In this paper, we performed the comprehensive studies of frustration properties in the Ising model on a decorated square lattice in the framework of an exact analytical approach ba…
Frustrations on decorated triangular lattice in Ising model
F. A. Kassan-Ogly, A. V. Zarubin
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 the framework of an ex…
Diffuse scattering on Ising chain with competing interactions
A. V. Zarubin, F. A. Kassan-Ogly, A. I. Proshkin
We considered the Ising 1D chain in an external magnetic field taking into account the nearest and next-nearest neighbor interactions. By the method of Kramers--Wannier transfer-ma…
Frustrations and orderings in Ising chain with multiple interactions
A. V. Zarubin, F. A. Kassan-Ogly, A. I. Proshkin
The frustration properties of the Ising model on a one-dimensional monoatomic equidistant lattice are investigated taking into account the exchange interactions of atomic spins at…
Frustrations on decorated planar lattices in Ising model
F. A. Kassan-Ogly, A. V. Zarubin
We study the frustration properties of the Ising model on several decorated lattices with arbitrary numbers of decorating spins on all bonds of the lattice within an exact analytic…
Frustration and ordering in Ising chain in an external magnetic field with third-neighbor interactions
A. V. Zarubin, F. A. Kassan-Ogly
In this paper, the frustration properties of the Ising model on a one-dimensional monoatomic equidistant lattice in an external magnetic field are investigated, taking into account…
Frustrations in the Ising chain with the third-neighbor interactions
A. V. Zarubin, F. A. Kassan-Ogly, A. I. Proshkin
We study the frustration properties of the Ising model on a one-dimensional monoatomic equidistant lattice, taking into account the exchange interactions of atomic spins at the sit…
Magnetocaloric effect and frustrations in one-dimensional magnets
A. V. Zarubin, F. A. Kassan-Ogly, M. V. Medvedev +1
In this paper, we investigated the magnetocaloric effect (MCE) in one-dimensional magnets with different types of ordering in the Ising model, Heisenberg, XY-model, the standard, p…
Evolution of the spectrum and the metal-insulator transition in local approximations for many-electron models
A. O. Anokhin, A. V. Zarubin, V. Yu. Irkhin
In the framework of the many-electron s-d exchange model and Hubbard model, self-consistent equations are derived for the one-particle retarded Green's function in the many-electro…
Ferromagnetism, spiral magnetic structures and phase separation in the two-dimensional Hubbard model
P. A. Igoshev, A. V. Zarubin, A. A. Katanin +1
The quasistatic approximation and equation-of-motion decoupling for the electron Green's functions are applied to trace the effect of electronic dispersion and electron correlation…
Ferromagnetism in the Highly-Correlated Hubbard Model
V. Yu. Irkhin, A. V. Zarubin
The Hubbard model with strong correlations is treated in the many-electron representation of Hubbard's operators. The regions of stability of saturated and non-saturated ferromagne…
Single-particle spectrum for a model of fermions interacting with two-level local excitations on a lattice: A dynamical CPA approach
A. O. Anokhin, A. V. Zarubin, V. Yu. Irkhin
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 Green's function is calcula…
Density-of-states picture and stability of ferromagnetism in the highly-correlated Hubbard model
V. Yu. Irkhin, A. V. Zarubin
The problem of stability of saturated and non-saturated ferromagnetism in the Hubbard model is considered in terms of the one-particle Green's functions. Approximations by Edwards…
Metal-insulator transition in the Hubbard model: a simple description including the Kondo effect
V. Yu. Irkhin, A. V. Zarubin
The electron spectrum structure in the half-filled Hubbard model is considered in terms of the one-particle Green's functions within many-electron representation. A simple analytic…
The Kondo effect in periodic narrow-band systems
V. Yu. Irkhin, A. V. Zarubin
The Kondo divergences owing to interaction of current carriers with local moments in highly correlated electron systems are considered within the Hubbard and s-d exchange models wi…