Personal Page of Ihor Pylyuk


Address:
Dr.Sci. Ihor V. Pylyuk
Institute for Condensed Matter Physics
of the National Academy of Sciences of Ukraine
1 Svientsitskii Str.
79011 Lviv, Ukraine
 
E-Mail:    URL: http://ph.icmp.lviv.ua/~piv/
Phone: +38 032 2761978   Fax: +38 032 2761158


A. BIOGRAPHICAL INFORMATION

PERSONAL DATA

NamePylyuk
First nameIhor
Date of birthFebruary 18, 1957
NationalityUkrainian
Marital statusMarried
ChildrenDaughters: Oryslava Pylyuk (1981), Iryna Pylyuk (1983)
Present professional position  Leading researcher

BIOGRAPHICAL REFERENCES

B. ACADEMIC DEGREES OBTAINED

M.Sc. 1980Faculty of Physics of the Lviv State University, Lviv
Ph.D. 1992Lviv State University, Lviv; confirmed by the Highest Qualification Committee of the USSR, Moscow
Thesis title:"Calculation of thermodynamic functions of the three-dimensional Ising model and the investigation of their dependence on the microscopic parameters of the system"
Thesis supervisors:Prof.I.Yukhnovskii, Dr.M.Kozlovskii
Senior research worker 2003 Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine, Lviv; confirmed by the Highest Qualification Committee of Ukraine, Kyiv
Doctor of Sciences in Physics and Mathematics 2010 Institute for Condensed Matter Physics of the National Academy of Sciences of Ukraine, Lviv; confirmed by the Highest Qualification Committee of Ukraine, Kyiv
Thesis title:"Microscopic description of the critical behaviour of three-dimensional Ising-like systems using the non-Gaussian fluctuation distributions"
Thesis adviser:Prof.M.Kozlovskii

C. PROFESSIONAL BACKGROUND

EMPLOYMENT

1980-1985Engineer, Computer Centre of Lviv State University, Lviv
1985-1988Senior engineer, Computer Centre of Lviv State University, Lviv
1988-1990Senior engineer, Academy of Sciences of the Ukrainian SSR, Division of the Institute for Theoretical Physics, Lviv
1990-1993Junior researcher, Academy of Sciences of Ukraine, Institute for Condensed Matter Physics, Lviv
1993-1996Researcher, National Academy of Sciences of Ukraine, Institute for Condensed Matter Physics, Lviv
1996-2011Senior researcher, National Academy of Sciences of Ukraine, Institute for Condensed Matter Physics, Lviv
2011-present  Leading researcher, National Academy of Sciences of Ukraine, Institute for Condensed Matter Physics, Lviv

PROFESSIONAL AFFILIATIONS AND ACTIVITIES

1991-presentMember, Ukrainian Physical Society
1994-presentMember, Shevchenko Scientific Society

D. RESEARCH INTERESTS

E. SOME INTERNATIONAL SYMPOSIA, WORKSHOPS AND CONFERENCES

(Titles of all meetings and symposia are put on full list)

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

  1. I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Microscopic theory of phase transitions in the three-dimensional systems", Eurosvit, Lviv, 2001, 592 p. (in Ukrainian).

SOME REFEREED PUBLICATIONS

  1. 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. 243-249 (1994).
  2. I.V.Pylyuk, "Special functions for the investigation of critical properties of the three-dimensional Ising model in the frames of the sixth power measure density", Ukr. Fiz. Zh., V. 41, No 9, P. 885-894 (1996).
  3. 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. 335-342 (1997).
  4. I.V.Pylyuk, "Critical behavior of the three-dimensional Ising system: Dependence of thermodynamic characteristics on microscopic parameters", Teor. Mat. Fiz., V. 117, No 3, P. 442-470 (1998).
  5. 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. 877-888 (1999).
  6. 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. 953-961 (1999).
  7. M.P.Kozlovskii, V.V.Dukhovii, I.V.Pylyuk, "Self-consistent description of the critical behaviour of three-dimensional Ising-like systems: The phase transition temperature as a function of microscopic parameters", Ukr. J. Phys., V. 45, No 4-5, P. 512-514 (2000).
  8. 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. 15-24 (2001).
  9. I.V.Pylyuk, "Thermodynamic characteristics of three-dimensional Ising-like systems as functions of microscopic parameters. The $\rho^6$ model approximation", J. Phys. Stud., V. 5, No 3/4, P. 221-232 (2001).
  10. I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Thermodynamics of three-dimensional Ising-like systems in the higher non-Gaussian approximation: Calculational method and dependence on microscopic parameters", Phys. Rev. B, V. 66, No 13, 134410 (18 pages) (2002).
  11. I.R.Yukhnovskii, I.V.Pylyuk, M.P.Kozlovskii, "Study of the critical behaviour of three-dimensional Ising-like systems on the basis of the $\rho^6$ model with allowance for microscopic parameters: I. High-temperature region", J. Phys.: Condens. Matter, V. 14, No 43, P. 10113-10129 (2002).
  12. I.R.Yukhnovskii, I.V.Pylyuk, M.P.Kozlovskii, "Study of the critical behaviour of three-dimensional Ising-like systems on the basis of the $\rho^6$ model with allowance for microscopic parameters: II. Low-temperature region", J. Phys.: Condens. Matter, V. 14, No 45, P. 11701-11715 (2002).
  13. M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Microscopic analogue of the Landau free energy for three-dimensional Ising-like systems", Condens. Matter Phys., V. 6, No 2(34), P. 197-204 (2003).
  14. M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Behaviour of a three-dimensional uniaxial magnet near the critical point in an external field", Condens. Matter Phys., V. 7, No 2(38), P. 361-382 (2004).
  15. I.V.Pylyuk, M.P.Kozlovskii, O.O.Prytula, "Analytic method of calculating thermodynamic functions for Ising-like system in an external field", Ferroelectrics, V. 317, P. 43-47 (2005).
  16. 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. 749-760 (2005).
  17. M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Microscopic description of the critical behavior of three-dimensional Ising-like systems in an external field", Phys. Rev. B, V. 73, No 17, 174406 (13 pages) (2006).
  18. I.V.Pylyuk, "Three-dimensional Ising-like 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. 216-220 (2006).
  19. M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Critical behaviour of a three-dimensional one-component magnet in strong and weak external fields at T>Tc", Physica A, V. 369, P. 562-576 (2006).
  20. M.P.Kozlovskii, I.V.Pylyuk, O.O.Prytula, "Free energy and equation of state of Ising-like magnet near the critical point", Nucl. Phys. B, V. 753 [FS], P. 242-251 (2006).
  21. I.V.Pylyuk, "Three-dimensional Ising-like system in an external field: Microscopic calculation of the free energy in the higher non-Gaussian approximation", Phase Transitions, V. 80, No 1-2, P. 11-16 (2007).
  22. I.V.Pylyuk, M.P.Kozlovskii, "Calculation of free energy of three-dimensional uniaxial magnet in external field based on the higher non-Gaussian distribution", AIP Conf. Proc., V. 1198, P. 132-143 (2009).
  23. I.V.Pylyuk, M.P.Kozlovskii, "Calculation of free energy of a three-dimensional Ising-like system in an external field with the use of the $\rho^6$ model", Physica A, V. 389, P. 5390-5401 (2010).
  24. M.P.Kozlovskii, I.V.Pylyuk, "Free energy of three-dimensional uniaxial magnet in the higher non-Gaussian approximation and in the presence of an external field", ISRN Condensed Matter Physics, V. 2011, 260750 (11 pages) (2011).
  25. I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Method for the calculation of free energy in a three-dimensional Ising-like system taking into account a correction for the interaction potential averaging", Ukr. J. Phys., V. 57, No 1, P. 80-94 (2012).
  26. I.V.Pylyuk, M.V.Ulyak, "Critical behaviour of a 3D Ising-like 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).
  27. I.V.Pylyuk, "Order parameter of a three-dimensional Ising-like system in the simplest and higher non-Gaussian approximations", Condens. Matter Phys., V. 16, No 2, 23007 (9 pages) (2013).
  28. I.R.Yukhnovskii, M.P.Kozlovskii, I.V.Pylyuk, "Critical behavior of a 3D Ising-like system in the higher non-Gaussian approximation: Inclusion of the critical exponent of the correlation function", Int. J. Mod. Phys. B, V. 28, No 24, 1450160 (16 pages) (2014).
  29. M.P.Kozlovskii, I.V.Pylyuk, "Analytical description of the critical behavior of a three-dimensional uniaxial magnet in an external field by singling out a reference system", Ukr. J. Phys., V. 60, No 4, P. 362-370 (2015).
  30. 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. 1075-1081 (2015).
  31. I.V.Pylyuk, M.P.Kozlovskii, "Structural characteristics of a three-dimensional Ising-like system in the critical region", Int. J. Mod. Phys. B, V. 30, No 32, 1650232 (14 pages) (2016).
  32. 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. 865-873 (2017).
  33. 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).
  34. I.V.Pylyuk, "Fluid critical behavior at liquid-gas phase transition: Analytic method for microscopic description", J. Mol. Liq., V. 310, 112933 (14 pages) (2020).
  35. 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. 1080-1088 (2020).


LAST UPDATE  January 16, 2021