920 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National Academy of Sciences of UkraineUA354 papers
- Lviv UniversityUA86 papers
- Coventry UniversityGB63 papers
- Lviv Polytechnic National UniversityUA61 papers
- Johannes Kepler University of LinzAT57 papers
- Centre National de la Recherche ScientifiqueFR55 papers
- Otto-von-Guericke-Universität MagdeburgDE42 papers
- University of Pavol Jozef ŠafárikSK27 papers
- Université de LorraineFR26 papers
- Georgetown UniversityUS21 papers
- Max Planck Institute for the Physics of Complex SystemsDE20 papers
- Institute of Physical ChemistryPL16 papers
29 papers · 1 filter
Closed-loop liquid-liquid immiscibility in mixture of particles with spherically symmetric interaction
Yu. V. Kalyuzhnyi, T. V. Hvozd
Thermodynamic perturbation theory for central-force (TPT-CF) type of associating potential is used to study the phase behavior of symmetric binary mixture of associating particles…
Interaction of the model alkyltrimethylammonium ions with alkali halide salts: an explicit water molecular dynamics study
M. Druchok, Č. Podlipnik, V. Vlachy
We present an explicit water molecular dynamics simulation of dilute solutions of model alkyltrimethylammonium surfactant ions (number of methylene groups in the tail is 3, 5, 8, 1…
Relation between the grafting density of liquid crystal macromolecule and the symmetry of self-assembled bulk phase: coarse-grained molecular dynamics study
J. M. Ilnytskyi
I consider a generic coarse-grained model suitable for the study of bulk self-assembly of liquid crystal (LC) macromolecules. The cases include LC dendrimers, gold nanoparticles mo…
Exact results for a generalized spin-1/2 Ising-Heisenberg diamond chain with the second-neighbor interaction between nodal spins
Bohdan Lisnyi, Jozef Strecka
The ground state and thermodynamics of a generalized spin-1/2 Ising-Heisenberg diamond chain with the second-neighbor interaction between nodal spins are calculated exactly using t…
The square-kagome quantum Heisenberg antiferromagnet at high magnetic fields: The localized-magnon paradigm and beyond
Oleg Derzhko, Johannes Richter, Olesia Krupnitska +1
We consider the spin-1/2 antiferromagnetic Heisenberg model on the two-dimensional square-kagome lattice with almost dispersionless lowest magnon band. For a general exchange coupl…
Atomic structure of grain boundaries in iron modeled using the atomic density function
O. Kapikranian, H. Zapolsky, Ch. Domain +4
A model based on the continuous atomic density function (ADF) approach is applied to predict the atomic structure of grain boundaries (GBs) in iron. Symmetrical [100] and [110] til…
Bath dynamics in an exactly solvable qubit model with initial qubit-environment correlations
V. V. Ignatyuk, V. G. Morozov
We study the bath dynamics in the dephasing model of a two-state quantum system (qubit) coupled to an environment of harmonic oscillators. This model was shown [Morozov et al., Phy…
Consistent description of kinetics and hydrodynamics of dusty plasma
B. Markiv, M. Tokarchuk
A consistent statistical description of kinetics and hydrodynamics of dusty plasma is proposed based on the Zubarev nonequilibrium statistical operator method. For the case of part…
Magnetization process, bipartite entanglement and enhanced magnetocaloric effect of the exactly solved spin-1/2 Ising-Heisenberg tetrahedral chain
Jozef Strecka, Onofre Rojas, Taras Verkholyak +1
The frustrated spin-1/2 Ising-Heisenberg ladder with Heisenberg intra-rung and Ising inter-rung interactions is exactly solved in a longitudinal magnetic field by taking advantage…
Consistent description of kinetics and hydrodynamics of weakly nonequilibrium processes in simple liquids
B. Markiv, I. Omelyan, M. Tokarchuk
The generalized transport equations for a consistent description of kinetic and hydrodynamic processes in dense gases and liquids are considered. The inner structure of the general…
Ferroelectric order parameter in the two-particle cluster system near phase transition point: collective variables method
M. A. Korynevskii, V. B. Solovyan
A new approach in the investigation of the order parameter behaviour near ferroelectric phase transition point is suggested. The short range and dipole interactions between particl…
Defect-mediated relaxation and non-linear susceptibilities of Rochelle salt
A. P. Moina
The deformable pseudospin Mitsui model is modified in order to take into account interactions of the ordering dipoles of Rochelle salt with dipoles, associated with switchable crys…
Liquid-gas phase transition at and below the critical point
I. R. Yukhnovskii, V. O. Kolomiets, I. M. Idzyk
This article is a continuation of our previous works (see Yukhnovskii I.R. et al., J. Stat. Phys, 1995, 80, 405 and references therein), where we have described the behavior of a s…
Order parameter of a three-dimensional Ising-like system in the simplest and higher non-Gaussian approximations
I. V. Pylyuk
The application of the collective variables method to the study of the behaviour of nonuniversal characteristics of the system in the critical region is illustrated by an example o…
Energy spectrum and phase diagrams of two-sublattice hard-core boson model
I. V. Stasyuk, O. Vorobyov
The energy spectrum, spectral density and phase diagrams have been obtained for two-sublattice hard-core boson model in frames of random phase approximation approach. Reconstructio…
Low-temperature thermodynamics of spin-1/2 orthogonal-dimer chain with Ising and Heisenberg interactions
T. Verkholyak, J. Strecka
We consider an exactly solvable version of the quantum spin-1/2 orthogonal-dimer chain with the Heisenberg intra-dimer and Ising inter-dimer couplings. The investigated quantum spi…
Randomly charged polymers in porous environment
V. Blavatska, C. von Ferber
We study the conformational properties of charged polymers in a solvent in the presence of structural obstacles correlated according to a power law . We work within th…
Equivalence of quenched and annealed averaging in models of disordered polymers
V. Blavatska
Equivalence of the influence of quenched and annealed disorder on scaling properties of long flexible polymer chains is proved by analyzing the O(m)-symmetric field theory in polym…
Numerical study of magnetization plateaux in the spin-1/2 kagome Heisenberg antiferromagnet
Sylvain Capponi, Oleg Derzhko, Andreas Honecker +2
We clarify the existence of several magnetization plateaux for the kagome antiferromagnetic Heisenberg model in a magnetic field. Using approximate or exact localized magno…
Exact solution for quantum spin-1/2 Ising-Heisenberg orthogonal-dimer chain with the Heisenberg intra-dimer and Ising inter-dimer interactions
Taras Verkholyak, Jozef Strecka
The quantum spin-1/2 orthogonal-dimer chain with the Heisenberg intra-dimer and Ising inter-dimer interactions in a magnetic field is considered by a rigorous approach. The model c…
Comparison of a citation-based indicator and peer review for absolute and specific measures of research-group excellence
O. Mryglod, R. Kenna, Yu. Holovatch +1
Many different measures are used to assess academic research excellence and these are subject to ongoing discussion and debate within the scientometric, university-management and p…
Frustrated quantum Heisenberg antiferromagnets at high magnetic fields: Beyond the flat-band scenario
Oleg Derzhko, Johannes Richter, Olesia Krupnitska +1
We consider the spin-1/2 antiferromagnetic Heisenberg model on three frustrated lattices (the diamond chain, the dimer-plaquette chain and the two-dimensional square-kagome lattice…
Dissipative particle dynamics study of solvent mediated transitions in pores decorated with tethered polymer brushes in the form of stripes
Ja. M. Ilnytskyi, S. Sokolowski, T. Patsahan
We study self-assembly of a binary mixture of components A and B confined in a slit-like pore with the walls modified by the stripes of tethered brushes made of beads of a sort A.…
Dipole glass parameter behaviour for ferro-antiferroelectric solid mixtures
M. A. Korynevskii, V. B. Solovyan
A new definition of a dipole glass parameter for ferro-antiferroelectric solid mixtures is suggested. It is constructed on the nearest neighbours pair correlation functions for int…