Personal Page of Oleg Derzhko

Dr. Oleg V. Derzhko Institute for Condensed Matter Physics  National Academy of Sciences of Ukraine 1 Svientsitsky St. UA-79011 Lviv, Ukraine e-mail: derzhko@icmp.lviv.ua

Birthplace: L'viv, Ukraine
Date of Birth: August 19, 1960
Nationality: Ukrainian
Marital Status: Married, 2 children

Academic Position Held at present:

• Senior Researcher, Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine;
• Assistant Professor, Theoretical Physics Department, Ivan Franko National University in L'viv

• 1998 - Senior Research Worker conferred by Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine; confirmed by Highest Qualification Committee of Ukraine
• 1988 - Doctor of Philosophy Ph.D. conferred by Odesa State University (Thesis: "Statistical theory of partially excited systems"; Supervisors: Prof.I.R.Yukhnovskii, Prof.R.R.Levitskii); confirmed by Highest Qualification Committee of the USSR
• 1982 - Completion of L'viv State University

• 2001-99 - Selected Topics in Theoretical Physics (Faculty of Mechanics and Mathematics)
• 1997-90 - Quantum Field Theory
• 1999-98,
• 1996-92 - Exactly Solvable Models of Statistical Mechanics
• 1999-97 - Nonuniform Fluids
• 1998-92 - Mathematical Models in Economics and Methods of Statistical Physics
• 1994-91 - Quantum Statistics of Solid State
• 2001-00 - Mechanics
• 2000-99 - Electrodynamics
• 2001-97,
• 1991-90 - Thermodynamics and Statistical Physics

• Ampere Summer School Äpplications of Magnetic Resonance in Novel Materials", Nafplion, Greece, 2000
• Aperiodic 2000, Nijmegen, The Netherlands, 2000
• 227. WE-Heraeus-Seminar on Microscopic Theories of Phase Transitions: Quantum Versus Thermal Fluctuations, Bad Honnef, Germany, 1999
• Localisation 99. International Conference on Disorder and Interaction in Transport Phenomena, Hamburg, Germany, 1999
• The European Conference Physics of Magnetism 99, Poznan, Poland, 1999
• International Workshop on Cooperative Phenomena in Statistical Physics: Theory and Applications, Dresden, Germany, 1999
• XXth IUPAP International Conference on Statistical Physics STATPHYS20, Paris, France, 1998
• Summer College in Condensed Matter on "Statistical Physics of Frustrated Systems", ICTP, Trieste, Italy, 1997
• 22nd Seminar of the Middle European Cooperation in Statistical Physics, Szklarska Poreba, Poland, 1997
• 9th International Conference on Rapidly Quenched and Metastable Materials, Bratislava, Slovakia, 1996
• 6th European Magnetic Materials and Applications Conference, First International Workshop on Simulation of Magnetization Processes, Vienna, Austria, 1995
• Research Workshop on Condensed Matter Physics, Miniworkshop on Quantum Incoherence and Quantum Coherence in Strongly Correlated Systems, ICTP, Trieste, Italy, 1995
• 34 Schladming Winter Workshop on Low-Dimensional Models in Statistical Physics and Quantum Field Theory, Schladming, Austria, 1995
• International Conference on Magnetism 1994, Warsaw, Poland, 1994

• May-July 2000 - Magdeburg University Theoretical Physics Institute, Germany (Prof.J.Richter)
• November-December 1999 - Max Planck Institute for the Physics of Complex Systems, Dresden, Germany (Prof.P.Fulde)
• April-May 1999 - Magdeburg University Theoretical Physics Institute, Germany (Prof.J.Richter)
• November 1998 (short-time visit) - Budapest University Theoretical Physics Institute, Hungary (Prof.Z.Rácz)
• September-October 1998 - Magdeburg University Theoretical Physics Institute, Germany (Prof.J.Richter)

• October-November 1995 - DAAD Fellow to Prof.F.Hensel Marburg University Physical Chemistry Department, Germany
• November-December 1991 - Fellow to Prof.W.Thirring Vienna University Institute for Theoretical Physics, Austria

1977-82 - Department of Theoretical Physics, Faculty of Physics, L'viv State University

Early Schooling:

1967-77 - Secondary School No 4, L'viv

Awards:

1994 - Premium of the West Scientific Center of National Academy of Sciences of Ukraine for young researchers in honour of S.Hzhitskyi ("Resonance dipole interactions and the theory of equilibrium properties of many-particle systems")

Professional Societies:

• Ukrainian Physical Society
• Shevchenko Scientific Society

2002-99 - Oles' Zaburannyi (Institute for Condensed Matter Physics, National Ukrainian Academy of Sciences)
 
 

1. Yukhnovskii I.R., Levitskii R.R., Derzhko O.V. Change of critical gas temperature under the influence of resonance irradiation. - Ukrainian Journal of Physics, 1988, 33, 1, p.36-38 (in Russian).
2. Derzhko O.V. Theory of equilibrium properties of a system of atoms some of which are excited. - Doklady Akademii Nauk SSSR, 1988, 303, 6, p.1361-1365 (in Russian); Soviet Physics Doklady, 1988, 33, 12, p.946-948.
3. Yukhnovskii I.R., Kadobyanskii R.M., Levitskii R.R., Derzhko O.V. Effective interactions in groups of identical particles containing excited ones. - Ukrainian Journal of Physics, 1989, 34, 2, p.300-307 (in Russian).
4. Yukhnovskii I.R., Levitskii R.R., Derzhko O.V., Novak R.P. Resonance irradiation influence on the gas-liquid phase transition. - Physics Letters A, 1989, 141, 1,2, p.18-24.
5. Derzhko O.V., Levitskii R.R., Sorokov S.I. Calculation of correlation functions of spin components taken at different moments of time for the de Gennes one-dimensional model. - Ukrainian Journal of Physics, 1990, 35, 9, p.1421-1426 (in Ukrainian).
6. Yukhnovskii I.R., Levitskii R.R., Sorokov S.I., Derzhko O.V. Theory of quasi-spin systems described by the quasi-one-dimensional Ising model in transverse field with taking into account short-range interactions as a reference system. - Izv. AN SSSR, ser. fiz., 1991, 55, 3, p.481-490 (in Russian);
7. Yukhnovskii I.R., Derzhko O.V., Levitskii R.R. Equilibrium properties of partially excited gas in the cluster expansion method. 1. - Ukrainian Journal of Physics, 1992, 37, 8, p.1166-1175 (in Ukrainian).
8. Yukhnovskii I.R., Derzhko O.V., Levitskii R.R. Equilibrium properties of partially excited gas in the cluster expansion method. 2. - Ukrainian Journal of Physics, 1992, 37, 9, p.1354-1362 (in Ukrainian).
9. Yukhnovskii I.R., Derzhko O.V., Levitskii R.R. Cluster expansion method in the theory of equilibrium properties of the gas of atoms of which a part is excited. - Physica A, 1994, 203, 3,4, p.381-413.
10. Derzhko O., Moina A. 1D s = ¹/₂ anisotropic XY model in transverse field with Dzyaloshinskii-Moriya interaction. - Ferroelectrics, 1994, 153, 1-4, p.49-54.
11. Derzhko O., Krokhmalskii T. Density of states in 1D s = ¹/₂ anisotropic XY model with random parameters. - Ferroelectrics, 1994, 153, 1-4, p.55-60.
12. Derzhko O., Krokhmalskii T. Statistical properties of random spin-1/2 XY chains. - Journal of Magnetism and Magnetic Materials, 1995, 140-144, p.1623-1624.
13. Derzhko O.V., Moina A.Ph. Bose commutation rule approximation in the theory of spin systems and elementary excitation spectrum. - physica status solidi (b), 1996, 196, 1, p.237-241.
14. Derzhko O., Krokhmalskii T., Verkholyak T. Thermodynamical properties of a random spin-1/2 XY chain with Dzyaloshinskii-Moriya interactions. - Journal of Magnetism and Magnetic Materials, 1996, 157/158, p.421-423.
15. Derzhko O., Richter J. One variation on Lloyd's theme. - Physics Letters A, 1996, 222, 5, p.338-344.
16. Derzhko O.V., Myhal V.M. Nonuniform properties of atomic fluid in the electrical field. - Journal of Physical Studies (L'viv), 1997, 1, 3, p.402-412 (in Ukrainian).
17. Derzhko O., Krokhmalskii T. Random s = ¹/₂ XY chains and the theory of quasi-one-dimensional ferroelectrics with hydrogen bonds. - Ferroelectrics, 1997, 192, 1-4, p.21-27.
18. Derzhko O., Verkholyak T. One-dimensional spin-¹/₂ XY models as a testing ground for spin systems theory methods. - physica status solidi (b), 1997, 200, 1, p.255-263.
19. Derzhko O., Richter J. Solvable model of random spin-¹/₂ XY chain. - Physical Review B, 1997, 55, 21, p.14298-14310.
20. Derzhko O., Verkholyak T. One exactly solvable magnetic chain with quenched randomness. - Materials Science & Engineering A, 1997, 226-228, p.745-748.
21. Derzhko O., Krokhmalskii T., Verkholyak T. Thermodynamical and dynamical properties of quenched quantum spin chains. - Materials Science & Engineering A, 1997, 226-228, p.1049-1052.
22. Derzhko O., Krokhmalskii T. Dynamic susceptibility of spin-¹/₂ Ising chain in transverse field. - Fizika Nizkikh Temperatur (Kharkiv), 1997, 23, 7, p.721-726; Low Temperature Physics, 1997, 23, 7, p.541-544.
23. Derzhko O.V., Verkholyak T.M. One exactly solvable random spin-¹/₂ XY chain. - Fizika Nizkikh Temperatur (Kharkiv), 1997, 23, 9, p.977-982; Low Temperature Physics, 1997, 23, 9, p.733-737.
24. Derzhko O., Krokhmalskii T., Verkholyak T. Thermodynamics and spin correlations for Ising chain in random transverse field. - Philosophical Magazine B, 1997, 76, 5, p.855-858.
25. Derzhko O., Krokhmalskii T. Dynamic structure factor of the spin-¹/₂ transverse Ising chain. - Physical Review B, 1997, 56, 18, p.11659-11665.
26. Derzhko O., Zaburannyi O. Static susceptibilities of nonuniform and random Ising chains. - Journal of Physical Studies (L'viv), 1998, 2, 1, p.128-135.
27. Derzhko O., Krokhmalskii T. Numerical approach for a study of the spin-¹/₂ XY chains dynamic properties. - physica status solidi (b), 1998, 208, 1, p.221-248.
28. Derzhko O., Zaburannyi O., Tucker J.W. Initial static susceptibilities of nonuniform and random Ising chains. - Journal of Magnetism and Magnetic Materials, 1998, 186, 1-2, p.188-198.
29. Derzhko O., Krokhmalskii T. Dynamic properties of spin-¹/₂ XY chains. - Journal of Physical Studies (L'viv), 1998, 2, 2, p.263-268.
30. Derzhko O.V., Myhal V.M. Nucleation phenomena in atomic fluid in the electrical field. - Journal of Physical Studies (L'viv), 1998, 2, 3, p.339-345 (in Ukrainian).
31. Derzhko O., Richter J. Thermodynamic properties of spin-¹/₂ transverse XY chain with Dzyaloshinskii-Moriya interaction: Exact solution for correlated Lorentzian disorder. - Physical Review B, 1999, 59, 1, p.100-103.
32. Derzhko O. Magnetic properties of periodic nonuniform spin-¹/₂ XX chains in a random Lorentzian transverse field. - Fizika Nizkikh Temperatur (Kharkiv), 1999, 25, 6, p.575-581; Low Temperature Physics, 1999, 25, 6, p.426-431.
33. Derzhko O., Krokhmalskii T., Zaburannyi O. Spin-¹/₂ XX chains in a transverse field with regular nonuniformity or correlated Lorentzian disorder. - Condensed Matter Physics (L'viv), 1999, 2, 2(18), p.339-344.
34. Derzhko O., Richter J., Zaburannyi O. The spin-¹/₂ transverse XX chain with regularly alternating bonds and fields. - Physics Letters A, 1999, 262, 2,3, p.217-225.
35. Derzhko O., Krokhmalskii T. Spin-¹/₂ transverse XX chain with a correlated disorder: dynamics of the transverse correlations. - Annalen der Physik (Leipzig), 1999, 8, Special Issue, p.SI-45-SI-48.
36. Derzhko O., Richter J., Derzhko V. Thermodynamics of the s = ¹/₂ transverse XX chain with Dzyaloshinskii-Moriya interaction in the presence of correlated Lorentzian disorder. - Annalen der Physik (Leipzig), 1999, 8, Special Issue, p.SI-49-SI-52.
37. Derzhko O., Krokhmalskii T. Dynamics of transverse correlation in spin-¹/₂ isotropic XY chain with correlated Lorentzian disorder. - physica status solidi (b), 2000, 217, 2, p.927-938.
38. Derzhko O., Krokhmalskii T., Stolze J. Dynamics of the spin-¹/₂ isotropic XY chain in a transverse field. - Journal of Physics A, 2000, 33, 16, p.3063-3080.
39. Derzhko O., Richter J., Zaburannyi O. Spin-¹/₂ periodic nonuniform XX chains and the spin-Peierls instability. - Acta Physica Polonica A, 2000, 97, 5, p.931-934.
40. Derzhko O., Richter J., Zaburannyi O. Thermodynamic properties of the periodic nonuniform spin-¹/₂ isotropic XY chains in a transverse field. - Physica A, 2000, 282, 3-4, p.495-524.
41. Derzhko O., Richter J., Zaburannyi O. Spin-Peierls instability in a quantum spin chain with Dzyaloshinskii-Moriya interaction. - Journal of Physics: Condensed Matter, 2000, 12, 40, p.8661-8668.
42. Derzhko O., Richter J., Zaburannyi O. Local magnetic properties of periodic nonuniform spin-¹/₂ XX chains. - Journal of Magnetism and Magnetic Materials, 2000, 222, 1-2, p.207-218.
43. Derzhko O. The ground state properties of the spin-¹/₂ transverse Ising chain with periodically varying bonds and fields. - Journal of Physics A, 2000, 33, 48, p.8627-8634.
44. Derzhko O., Krokhmalskii T. Incommensurate spin-Peierls phases in the one-dimensional quantum isotropic XY model. - Submitted to Ferroelectrics, 2000 (accepted).
45. Derzhko O.V., Myhal V.M., Nucleation phenomena in a nonuniform atomic fluid in the electrical field. - Submitted to Journal of Molecular Liquids, 2000 (accepted).
46. Derzhko O.V., Myhal V.M. The properties of a nonuniform atomic fluid in the electrical field. The gradient approximation. - Submitted to Journal of Physical Studies (L'viv), 2000 (in Ukrainian) (accepted).
47. Derzhko O. Magnetization processes in quantum spin chains with regularly alternating intersite interactions. - Submitted to Ukrainian Journal of Physics, 2000.
48. Derzhko O. Jordan-Wigner fermionization for spin-¹/₂ systems in two dimensions: A brief review. - Submitted to Journal of Physical Studies (L'viv), 2000.