 Personal Page of Ihor Pylyuk
A. BIOGRAPHICAL INFORMATION
PERSONAL DATA
Name  Pylyuk

First name  Ihor

Date of birth  February 18, 1957

Nationality  Ukrainian

Marital status  Married

Children  Daughters: Oryslava Pylyuk (1981),
Iryna Pylyuk (1983)

Present professional position  Leading
researcher

BIOGRAPHICAL REFERENCES
 Who's Who in Science and Engineering  20062007, 9th Edition
(published by Marquis Who's Who, USA, 2006)
 Who's Who in Science and Engineering  20082009, 10th Edition
(published by Marquis Who's Who, USA, 2007)
 Who's Who in the World  2008, 25th Edition (published by Marquis
Who's Who, USA, 2007)
B. ACADEMIC DEGREES OBTAINED
C. PROFESSIONAL BACKGROUND
EMPLOYMENT
19801985  Engineer, Computer Centre of
Lviv State University, Lviv

19851988  Senior engineer, Computer Centre of
Lviv State University, Lviv

19881990  Senior engineer, Academy of Sciences of
the Ukrainian SSR, Division of the
Institute for Theoretical
Physics, Lviv

19901993  Junior researcher, Academy of Sciences of
Ukraine, Institute for Condensed
Matter Physics, Lviv

19931996  Researcher, National Academy of Sciences of
Ukraine, Institute for Condensed
Matter Physics, Lviv

19962011  Senior researcher, National
Academy of Sciences of Ukraine, Institute
for Condensed Matter Physics, Lviv

2011present  Leading researcher, National
Academy of Sciences of Ukraine, Institute
for Condensed Matter Physics, Lviv

PROFESSIONAL AFFILIATIONS AND ACTIVITIES
D. RESEARCH INTERESTS
 Statistical physics and thermodynamics; phase transitions and critical
phenomena. Critical behaviour of threedimensional Isinglike systems:
Development of the microscopic theory in the formalism of the collective
variables method using the nonGaussian fluctuation distributions (universal
and nonuniversal quantities; thermodynamic characteristics; scaling functions;
critical amplitudes; corrections to scaling; order parameter; equation of
state; influence of microscopic parameters of the system and of an external
magnetic field). Theoretical description of the critical behaviour of fluid
systems with allowance for the quartic distribution of orderparameter
fluctuations
E. SOME INTERNATIONAL SYMPOSIA, WORKSHOPS AND CONFERENCES
(Titles of all meetings and symposia are put on
full list)
 UkrainianFrench Symposium "Condensed Matter: Science & Industry",
Lviv, February 2027, 1993
 19th IUPAP International Conference on Statistical Physics
"Statphys 19", Xiamen, China, July 31  August 4, 1995
 6th European Magnetic Materials and Applications Conference, Wien,
September 48, 1995
 International Workshop on Statistical Physics and Condensed Matter
Theory, Lviv, September 1114, 1995
 International Conference on Magnetism, Cairns, Australia,
27 July  1 August, 1997
 INTASUKRAINE
WORKSHOP on Condensed Matter Physics, Lviv, May 2124, 1998
 XXth IUPAP
International Conference on Statistical Physics "Statphys 20", Paris,
July 2024, 1998
 XIII International Congress
on Mathematical Physics, Imperial College, London, UK,
1722 July 2000
 Workshop on Modern Problems
of Soft Matter Theory, Lviv, Ukraine, 2731 August 2000
 2nd International
Pamporovo Workshop on Cooperative Phenomena in Condensed Matter,
Pamporovo, Bulgaria, 28th July  7th August 2001
 International Conference "PHYSICS OF LIQUID MATTER: MODERN PROBLEMS",
Kyiv, Ukraine, September 1419, 2001
 VI UkrainianPolish and II EastEuropean Meeting on Ferroelectrics
Physics, UzhgorodSynjak, Ukraine, September 610, 2002
 2nd International
Conference "PHYSICS OF LIQUID MATTER: MODERN PROBLEMS", Kyiv, Ukraine,
September 1215, 2003
 NATO Advanced Research Workshop
"Dimensionality Effects and NonLinearity in Ferroics", Lviv, Ukraine,
October 1922, 2004
 3rd International Conference
"PHYSICS OF LIQUID MATTER: MODERN PROBLEMS", Kyiv, Ukraine,
May 2731, 2005
 Annual
Conference in Ukraine "Statistical Physics 2005: Modern Problems and New
Applications", Lviv, Ukraine, August 2830, 2005
 VIII UkrainianPolish
and III EastEuropean Meeting on Ferroelectrics Physics, Lviv, Ukraine,
September 47, 2006
 4th International Conference
"PHYSICS OF LIQUID MATTER: MODERN PROBLEMS", Kyiv, Ukraine,
May 2326, 2008
 3rd
Conference "Statistical Physics: Modern Trends and Applications",
Lviv, Ukraine, 2325 June 2009
 36th
Conference of the Middle European Cooperation in Statistical Physics
(MECO 36), Lviv, Ukraine, 57 April 2011
 4th
Conference "Statistical Physics: Modern Trends and Applications",
Lviv, Ukraine, 36 July 2012
 8th International Conference
"PHYSICS OF LIQUID MATTER: MODERN PROBLEMS", Kyiv, Ukraine,
May 1822, 2018
 5th
Conference "Statistical Physics: Modern Trends and Applications",
Lviv, Ukraine, 36 July 2019
F. SELECTED PUBLICATIONS
(
Full list of
116 publications includes 1 monograph, 48 articles in journals and collections,
34 abstracts of meetings and symposia, 33 preprints)
MONOGRAPHS
 I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Microscopic
theory of phase transitions in the threedimensional systems", Eurosvit,
Lviv, 2001, 592 p. (in Ukrainian).
SOME REFEREED PUBLICATIONS
 M.P.Kozlovskii, I.V.Pylyuk, "Entropy and specific heat of the
3D Ising model as functions of temperature and microscopic parameters
of the system",
Phys.
Stat. Sol. (b), V. 183, P. 243249 (1994).
 I.V.Pylyuk, "Special functions for the investigation of
critical properties of the threedimensional Ising model in the frames
of the sixth power measure density", Ukr. Fiz. Zh., V. 41, No 9,
P. 885894 (1996).
 M.P.Kozlovskii, I.V.Pylyuk, V.V.Dukhovii, "Equation of state
of the 3D Ising model with an exponentially decreasing potential in
the external field",
J. Magn. Magn. Mater.,
V. 169, P.
335342 (1997).
 I.V.Pylyuk, "Critical behavior of the threedimensional Ising system:
Dependence of thermodynamic characteristics on microscopic
parameters",
Teor. Mat. Fiz.,
V. 117, No 3, P.
442470 (1998).
 I.V.Pylyuk, "Description of critical behavior of Ising
ferromagnet in the $\rho^6$ model approximation taking into account
confluent correction. I. Region above the phase transition point",
Low Temp. Phys.,
V. 25, No 11, P.
877888 (1999).
 I.V.Pylyuk, "Description of critical behavior of Ising
ferromagnet in the $\rho^6$ model approximation taking into account
the confluent correction. II. Region below the phase transition point",
Low Temp. Phys.,
V. 25, No 12, P.
953961 (1999).
 M.P.Kozlovskii, V.V.Dukhovii, I.V.Pylyuk, "Selfconsistent description
of the critical behaviour of threedimensional Isinglike systems:
The phase transition temperature as a function of microscopic
parameters",
Ukr. J. Phys.,
V. 45, No 45, P. 512514 (2000).
 I.V.Pylyuk, M.P.Kozlovskii, "3D Ising system in an external
field. Recurrence relations for the asymmetric $\rho^6$ model",
Condens. Matter Phys.,
V. 4, No 1(25), P.
1524 (2001).
 I.V.Pylyuk, "Thermodynamic characteristics of
threedimensional Isinglike systems as functions of microscopic
parameters. The $\rho^6$ model approximation",
J. Phys. Stud.,
V. 5, No 3/4, P.
221232 (2001).
 I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Thermodynamics
of threedimensional Isinglike systems in the higher nonGaussian
approximation: Calculational method and dependence on microscopic
parameters",
Phys. Rev. B,
V. 66, No 13,
134410 (18 pages) (2002).
 I.R.Yukhnovskii, I.V.Pylyuk, M.P.Kozlovskii, "Study of the
critical behaviour of threedimensional Isinglike systems on the basis
of the $\rho^6$ model with allowance for microscopic parameters: I.
Hightemperature region",
J. Phys.: Condens. Matter,
V. 14, No 43, P.
1011310129 (2002).
 I.R.Yukhnovskii, I.V.Pylyuk, M.P.Kozlovskii, "Study of the
critical behaviour of threedimensional Isinglike systems on the basis
of the $\rho^6$ model with allowance for microscopic parameters: II.
Lowtemperature region",
J. Phys.: Condens. Matter,
V. 14, No 45, P.
1170111715 (2002).
 M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Microscopic analogue
of the Landau free energy for threedimensional Isinglike systems",
Condens. Matter Phys.,
V. 6, No 2(34), P.
197204 (2003).
 M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Behaviour of a
threedimensional uniaxial magnet near the critical point in an
external field",
Condens. Matter Phys.,
V. 7, No 2(38), P.
361382 (2004).
 I.V.Pylyuk, M.P.Kozlovskii, O.O.Prytula, "Analytic method of
calculating thermodynamic functions for Isinglike system in an
external field",
Ferroelectrics,
V. 317, P.
4347 (2005).
 M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Behaviour of the
order parameter of the simple magnet in an external field",
Condens. Matter Phys.,
V. 8, No 4(44), P.
749760 (2005).
 M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Microscopic
description of the critical behavior of threedimensional Isinglike
systems in an external field",
Phys. Rev. B,
V. 73, No 17,
174406 (13 pages) (2006).
 I.V.Pylyuk, "Threedimensional Isinglike system in an
external field. Microscopic approach to description of the critical
behaviour using the asymmetric $\rho^4$ model",
J. Magn. Magn. Mater.,
V. 305, P.
216220 (2006).
 M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Critical behaviour
of a threedimensional onecomponent magnet in strong and weak
external fields at T>T_{c}",
Physica A,
V. 369, P.
562576 (2006).
 M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Free energy and
equation of state of Isinglike magnet near the critical point",
Nucl. Phys. B,
V. 753 [FS], P.
242251 (2006).
 I.V.Pylyuk, "Threedimensional Isinglike system in an
external field: Microscopic calculation of the free energy in the
higher nonGaussian approximation",
Phase Transitions,
V. 80, No 12, P.
1116 (2007).
 I.V.Pylyuk, M.P.Kozlovskii, "Calculation of free energy
of threedimensional uniaxial magnet in external field based on
the higher nonGaussian distribution",
AIP Conf. Proc.,
V. 1198, P.
132143 (2009).
 I.V.Pylyuk, M.P.Kozlovskii, "Calculation of free energy of a
threedimensional Isinglike system in an external field with the use
of the $\rho^6$ model",
Physica A,
V. 389, P.
53905401 (2010).
 M.P.Kozlovskii, I.V.Pylyuk, "Free energy of threedimensional
uniaxial magnet in the higher nonGaussian approximation and in the
presence of an external field",
ISRN Condensed Matter Physics,
V. 2011,
260750 (11 pages) (2011).
 I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Method for the
calculation of free energy in a threedimensional Isinglike system
taking into account a correction for the interaction potential
averaging",
Ukr. J. Phys.,
V. 57, No 1, P.
8094 (2012).
 I.V.Pylyuk, M.V.Ulyak, "Critical behaviour of a 3D Isinglike
system in the $\rho^6$ model approximation: Role of the correction
for the potential averaging",
Condens. Matter Phys.,
V. 15, No 4,
43006 (10 pages) (2012).
 I.V.Pylyuk, "Order parameter of a threedimensional Isinglike
system in the simplest and higher nonGaussian approximations",
Condens. Matter Phys.,
V. 16, No 2,
23007 (9 pages) (2013).
 I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Critical
behavior of a 3D Isinglike system in the higher nonGaussian
approximation: Inclusion of the critical exponent of the correlation
function",
Int. J. Mod. Phys. B,
V. 28, No 24,
1450160 (16 pages) (2014).
 M.P.Kozlovskii, I.V.Pylyuk, "Analytical description of the
critical behavior of a threedimensional uniaxial magnet in an
external field by singling out a reference system",
Ukr. J. Phys.,
V. 60, No 4, P.
362370 (2015).
 I.V.Pylyuk, M.P.Kozlovskii, "Correlation function and
susceptibility of Ising magnet in a vicinity of the phase transition
point",
Ukr. J. Phys.,
V. 60, No 10, P.
10751081 (2015).
 I.V.Pylyuk, M.P.Kozlovskii, "Structural characteristics of
a threedimensional Isinglike system in the critical region",
Int. J. Mod. Phys. B,
V. 30, No 32,
1650232 (14 pages) (2016).
 M.P.Kozlovskii, O.A.Dobush, I.V.Pylyuk, "Using a cell fluid
model for the description of a phase transition in simple liquid alkali
metals",
Ukr. J. Phys.,
V. 62, No 10, P.
865873 (2017).
 M.P.Kozlovskii, I.V.Pylyuk, O.A.Dobush, "The equation of
state of a cell fluid model in the supercritical region",
Condens. Matter Phys.,
V. 21, No 4,
43502 (26 pages) (2018).
 I.V.Pylyuk, "Fluid critical behavior at liquidgas phase
transition: Analytic method for microscopic description",
J. Mol. Liq.,
V. 310,
112933 (14 pages) (2020).
 I.V.Pylyuk, O.A.Dobush, "Equation of state of a cell fluid
model with allowance for Gaussian fluctuations of the order parameter",
Ukr. J. Phys.,
V. 65, No 12, P.
10801088 (2020).
LAST UPDATE January 16, 2021