57 citations · 643 across the 43 of their papers we have counts for
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Hubbard pair cluster in the external fields. Studies of the chemical potential
T. Balcerzak, K. Szałowski
The chemical potential of the two-site Hubbard cluster (pair) embedded in the external electric and magnetic fields is studied by exact diagonalization of the Hamiltonian. The form…
Self-consistent model of a solid for the description of lattice and magnetic properties
T. Balcerzak, K. Szałowski, M. Jaščur
In the paper a self-consistent theoretical description of the lattice and magnetic properties of a model system with magnetoelastic interaction is presented. The dependence of magn…
Exact Diagonalization Study of an Extended Hubbard Model for a Cubic Cluster at Quarter Filling
K. Szałowski, T. Balcerzak, M. Jaščur +2
In the paper the thermodynamics of a cubic cluster with 8 sites at quarter filling is characterized by means of exact diagonalization technique. Particular emphasis is put on the b…
Nearest-neighbour antiferromagnetic interaction as a limiting factor for critical temperature in model DMS system
K. Szalowski
In numerous diluted magnetic semiconductor (DMS) systems, the competition takes place between the short-range antiferromagnetic (AF) superexchange interactions and the long-range R…
Frustration in an exactly solvable mixed-spin Ising model with bilinear and three-site four-spin interactions on a decorated square lattice
M. Jaščur, V. Štubňa, K. Szałowski +1
Competitive effects of so-called three-site four-spin interactions, single ion anisotropy and bilinear interactions is studied in the mixed spin-1/2 and spin-1 Ising model on a dec…
Critical temperature of two-dimensional hydrogenated multilayer graphene-based diluted ferromagnet
Karol Szałowski
In the paper a theoretical study of critical (Curie) temperature of diluted ferromagnet based on multilayer graphene (or graphite) with hydrogen adatoms deposited over carbon atoms…