Professor Ivan Vakarchuk is a well-known Ukrainian physicist internationally recognized among theoreticians owing to his works on quantum liquids, phase transitions and critical phenomena, disordered systems and quantum ...

The dependencies of the birefringence ∆ni of K₂SO₄ crystals in wide spectral (250–800 nm) ranges, as well as the effect of uniaxial mechanical stress on them have been studied. The values of ni for K₂SO₄ are found to be ...

The research of thermodynamic properties of partially deuterated K(H₁₋xDx)₂PO₄ crystals was performed within the framework of proton ordering model with tunnelling within the four-particle cluster approximation for short-range ...

Ion mixtures require an exclusion core to avoid collapse. The Debye Hueckel (DH) theory, where ions are point charges, is accurate only in the limit of infinite dilution. The mean spherical approximation (MSA) is the ...

In this paper we use several approaches to analyse a scientific journal as a complex system and to make a possibly more complete description of its current state and evolution. Methods of complex networks theory, statistics, ...

Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine announces an annual competition for young researchers working in the field of statistical physics and condensed matter theory. The ...