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Загальна кількість знайдених документів : 10
Представлено документи з 1 до 10
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Kharchenko D. O. Entropy driven mechanism for ordering, phase separation and pattern formation processes in stochastic systems [Електронний ресурс] / D. O. Kharchenko, A. V. Dvornichenko, V. O. Kharchenko // Журнал фізичних досліджень. - 2009. - Т. 13, Число 4. - С. 4005-1-4005-10. - Режим доступу: http://nbuv.gov.ua/UJRN/jphd_2009_13_4_8
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Kharchenko D. O. Deterministic and stochastic dynamics in spinodal decomposition of a binary system [Електронний ресурс] / D. O. Kharchenko, P. K. Galenko, V. G. Lebedev // Успехи физики металлов. - 2009. - Т. 10, № 1. - С. 27-102. - Режим доступу: http://nbuv.gov.ua/UJRN/UPhM_2009_10_1_3 A model for diffusion and phase separation, which takes into account hyperbolic relaxation of the solute diffusion flux, is developed. Such a "hyperbolic model" provides analysis of "hyperbolic evolution" of patterns in spinodal decomposition in systems supercooled below critical temperature. Analytical results for the hyperbolic model of spinodal decomposition are summarized in comparison with outcomes of classic Cahn-Hilliard theory. Numeric modelling shows that the hyperbolic evolution leads to sharper boundary between two structures of a decomposed system in comparison with prediction of parabolic equation given by the theory of Cahn and Hilliard. Considering phase separation processes in stochastic systems with a field-dependent mobility and an internal multiplicative noise, we study dynamics of spinodal decomposition for parabolic and hyperbolic models separately. It is that the domain growth law is generalized when internal fluctuations are introduced into the model. A mean field approach is carried out in order to obtain the stationary probability, bifurcation and phase diagrams displaying re-entrant phase transitions. We relate our approach to entropy-driven phase-transitions theory.
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Kharchenko D. O. Modeling of microstructural changes in irradiated systems using the phase field crystal method [Електронний ресурс] / D. O. Kharchenko, V. O. Kharchenko, S. V. Kokhan, I. O. Lysenko // Ukrainian journal of physics. - 2012. - Vol. 57, № 10. - С. 1069-1082. - Режим доступу: http://nbuv.gov.ua/UJRN/Ukjourph_2012_57_10_12
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Kharchenko D. O. Simulation of a spatial organization of point defects in irradiated systems [Електронний ресурс] / D. O. Kharchenko, V. O. Kharchenko, A. I. Bashtova // Ukrainian journal of physics. - 2013. - Vol. 58, № 10. - С. 993-1008. - Режим доступу: http://nbuv.gov.ua/UJRN/Ukjourph_2013_58_10_14
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Kharchenko D. O. Self-organization of an ensemble of vacancies under the spinodal decomposition of binary systems at continuous irradiation [Електронний ресурс] / D. O. Kharchenko, V. O. Kharchenko, A. I. Bashtova // Ukrainian journal of physics. - 2016. - Vol. 61, № 3. - С. 265-278. - Режим доступу: http://nbuv.gov.ua/UJRN/Ukjourph_2016_61_3_11
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Kharchenko D. M. Correlation of Anxiety and Psychosomatic Disturbances [Електронний ресурс] / D. M. Kharchenko, Yu. Yu. Chystovska // Наука і освіта. - 2017. - № 9. - С. 26-29. - Режим доступу: http://nbuv.gov.ua/UJRN/NiO_2017_9_6
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Kharchenko D. Anxiety in Individuals with Different Levels of Alexithymia [Електронний ресурс] / D. Kharchenko, S. Kovalenko, Yu. Chystovska // Наука і освіта. - 2018. - № 5-6. - С. 74-78. - Режим доступу: http://nbuv.gov.ua/UJRN/NiO_2018_5-6_13
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Kharchenko D. Content and Bibliometric Analysis of Education as a Competitive Advantage of Business [Електронний ресурс] / D. Kharchenko // Business ethics and leadership. - 2023. - Vol. 7, Iss. 2. - С. 99-108. - Режим доступу: http://nbuv.gov.ua/UJRN/busetlen_2023_7_2_12
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Koibichuk V. Challenges and opportunities in the ‘business-education-science’ system in the context of innovation development: cluster analysis [Електронний ресурс] / V. Koibichuk, A. Samoilikova, D. Kharchenko, M. Fritsak // SocioEconomic Challenges. - 2023. - Vol. 7, Iss. 2. - С. 142-151. - Режим доступу: http://nbuv.gov.ua/UJRN/seconch_2023_7_2_14
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Kharchenko D. S. Modulation stability of wave-packets in a three-layer fluid [Електронний ресурс] / D. S. Kharchenko, V. V. Naradovyi // Mathematical modeling and computing. - 2023. - Vol. 10, Num. 4. - С. 1292-1302. - Режим доступу: http://nbuv.gov.ua/UJRN/mmc_2023_10_4_31
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