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Гетерогенный кластер | ЛИТ/ОИЯИ
URL:
http://hlit.jinr.ru
Updated:
54 min 4 sec ago
Searching for New Nontrivial Choreographies for the Planar Three-Body Problem
Fri, 04/18/2025 - 15:18
Hristov, I., Hristova, R., Puzynin, I., Puzynina, T., Sharipov, Z., Tukhliev, Z. A specialized numerical search for new nontrivial choreographies for the planar three-body problem is made. With only three known so far nontrivial choreographies, we found 161 new ones. The linear stability of all found orbits is investigated by …
Theoretical predictions of properties and adsorption behaviour of a superheavy element Ts and its lighter homolog At, and of their various gas-phase compounds, on hydroxylated quartz surfaces from periodic DFT calculations
Fri, 04/18/2025 - 15:14
Miroslav Iliaš, Valeria Pershina Adsorption energies, Eads, of a superheavy element Ts and its lighter homolog At, as well as of their various oxides, hydrides, and (oxy)hydroxides on hydroxylated quartz surfaces are calculated using a periodic density functional theory implemented in the AMS BAND software. It was shown that elemental At …
Generating and grading 34 optimised norm-conserving Vanderbilt pseudopotentials for actinides and super-heavy elements in the PseudoDojo
Fri, 04/18/2025 - 15:11
Christian Tantardini, Miroslav Iliaš, Matteo Giantomassi, Alexander G. Kvashnin, Valeria Pershina, Xavier Gonze In the last decades, material discovery has been a very active research field driven by the need to find new materials for many different applications. This has also included materials with heavy elements, beyond the stable isotopes of lead, …
In Silico Study of Pyrin and 14-3-3 Protein Modulation During FMF and PAAND
Fri, 04/18/2025 - 15:03
Adrine Paronyan, Nelli Muradyan, Arsen Sargsyan, Vahram Arakelov, Grigor Arakelov, Karen Nazaryan Familial Mediterranean fever (FMF) is a genetically determined disease transmitted through autosomal recessive inheritance. Recently, a rare but similar disease to FMF, pyrin-associated autoinflammation with neutrophilic dermatosis (PAAND), has been discovered. PAAND is inherited dominantly and is characterized by neutrophilic dermatosis and recurrent …
Имитационное моделирование конформационных изменений мембранного белка KCNQ1 под действием внешнего статического электрического поля.
Fri, 04/18/2025 - 14:58
Мамасахлисов Е.Ш. (РАУ, ЕрГУ, ИППФ, Армения), Витя Варданян (Институт молекулярной биологии НАН РА) В качестве модельной системы рассматривался белок представленный в pdb-файле 8SIN (рис. 1), состоящий из четырех мономерных белков. Рис. 1. Белок KCNQ1 в «нижней» конформации Для изучения его конформационных изменений под действием внешнего электрического поля была создана система, …
Enhanced discharge robustness of large-scale resistive WEM detectors with diamond-like carbon anode
Fri, 04/18/2025 - 14:45
V. Bayev, K. Afanaciev, S. Movchan, A. Kashchuk, O. Levitskaya, V. Akulich and V. Konovalov A prototype of the large-scale resistive WEM (Well Electron Multiplier) detector with enhanced discharge robustness was developed, produced and tested. The WEM detector is composed of a perforated board (500 µm thick with drilled holes …
Electronic Properties of Pristine and Doped Graphitic Germanium Carbide Nanomeshes
Fri, 04/18/2025 - 14:31
Majed Abdel Salam Nashaat Moharram AbdelGhani (Sarah Gamal, M. Nashaat, Lobna Salah, Nageh Allam and Ahmed A Maarouf) Graphitic germanium carbide (g-GeC) is a novel material that has recently aroused much interest. Porous g-GeC can be fabricated by forming a lattice of pores in pristine g-GeC. In this work, we systematically …
Buzdin, Shapiro, and chimera steps in φ₀ Josephson junctions
Fri, 04/18/2025 - 14:10
Majed Abdel Salam Nashaat Moharram AbdelGhani (Yu. M. Shukrinov, E. Kovalenko, J. Tekić, K. Kulikov, and M. Nashaat) The unique resonance and locking phenomena in the superconductor-ferromagnet-superconductor φ₀ Josephson junction under external electromagnetic radiation are demonstrated when not just the electric but also the magnetic component of external radiation is taken …
Resonance phenomena in a nanomagnet coupled to a Josephson junction under external periodic drive
Fri, 04/18/2025 - 14:03
Majed Abdel Salam Nashaat Moharram AbdelGhani (K. V. Kulikov, D. V. Anghel, M. Nashaat, M. Dolineanu, M. Sameh, and Yu. M. Shukrinov) We investigate resonance phenomena in a system consisting of a nanomagnet coupled to a Josephson junction under external periodic drive. The coupling in the system leads to the appearance …
Study Defects Formation Mechanism in La₁₋ₓBaₓ MnO₃ Perovskite Manganite by Positron Annihilation Lifetime and Doppler Broadening Spectroscopy
Fri, 04/18/2025 - 13:54
Nguyen Vu Minh Trung (Jabarov, S. H.; Nabiyeva, A. Kh.; Samadov, S. F.; Abiyev, A. S.; Sidorin, A. A.; Trung, N. V. M.; Orlov, O. S.; Mauyey, B.; Trukhanov, S. V.; Trukhanov, A. V.; Mirzayev, M. N.) In this study, La1-xBaxMnO3 (x = 0.03, 0.27, 0.5) solid solutions were synthesized, and their structure and defect incorporation …
Solid-State Crystallization, Oxygen-Vacancy Rich Mesopores and Stable Triad-Silanol Nests in ZSM-5 Catalyst Induced by Electron-Beam Irradiation and Calcination
Fri, 04/18/2025 - 13:49
Nguyen Vu Minh Trung (Nguyen, L. L.; Xuan, T. D.; Van Chung, C.; Nguyen, L. P.; Phuong, N. T.; Hue, P. T.; Hue, N. T. N.; Van Tiep, N.; Trung, N. V. M.; Drozdziel, A.; Turek, M.; Pyszniak, K.; Kiet, H. A. T.; Nguyen, H.-D.; Pham, T.-P. T.; Anh, N. N.; …
Investigating the Impact of Gamma Irradiation and Temperature on Vacancy Formation and Recombination in ZrB₂ Ceramics Using Positron Annihilation Spectroscopy
Fri, 04/18/2025 - 13:35
Nguyen Vu Minh Trung (Samadov, S. F.; Trung, N. V. M.; Donkov, A. A.; Sidorin, A. A.; Orlov, O. S.; Demir, E.; Samedov, O. A.; Jabarov, S. H.; Tiep, N. V.; Popov, E. P.; Mirzayev, M. N.) In the presented work, the mechanism of evolution of defects in the crystalline structure …
Investigating the Crystal Structure of ZrB₂ under Varied Conditions of Temperature, Pressure, and Swift Heavy Ion Irradiation
Fri, 04/18/2025 - 13:31
Nguyen Vu Minh Trung (Samadov, S. F.; Abiyev, A. S.; Asadov, A. G.; Trung, N. V. M.; Sidorin, A. A.; Samedov, O. A.; Popov, E. P.; Demir, E.; Vershinina, T.; Aliyev, Y. I.; Hasanov, K. M.; Mirzayev, M. N.) The influence of temperature, pressure, and swift heavy ions on the structural characteristics of …
Evaluation of Nanocrystalline ZrC under Gamma Irradiation and High Pressure
Fri, 04/18/2025 - 13:29
Nguyen Vu Minh Trung (Samadov, S. F.; Asadov, A. G.; Abiyev, A. S.; Demir, E.; Samedov, O. A.; Trung, N. V. M.; Mustafayev, I. I.; Kaminski, G.; Mirzayev, M. N.) Zirconium carbide (ZrC) is known for its exceptional properties, positioning it as a leading ultrahigh-temperature ceramic for diverse applications such as coating, …
Analyzing Point Defect Polarization in Tungsten and Tungsten Carbide under High Gamma Irradiation for Radiation Shielding Applications
Fri, 04/18/2025 - 13:26
Nguyen Vu Minh Trung (Popov, E. P.; Donkov, A. A.; Trung, N. V. M.; Samadov, S. F.; Sidorin, A. A.; Orlov, O. S.; Mahmudov, H. M.; Khiem, L. H.; Samedov, O. A.; Huseynov, H. J.; Mirzayeva, D. M.; Opakhai, S.; Demir, E.; Mirzayev, M. N.) In this study, polycrystalline tungsten and …
Analysis of Structural Defects and Their Influence on Red-Emitting γ-Al₂O₃:Mn⁴⁺,Mg²⁺ Nanowires Using Positron Annihilation Spectroscopy
Fri, 04/18/2025 - 13:21
Nguyen Vu Minh Trung (Hue, P. T.; Hue, N. T. N.; Van Tiep, N.; Trung, N. V. M.; Phuc, P. T.; Nguyen, L. L.; Son, L. T.; Trang, L. T. Q.; Trung, N. D.; Hung, N. Q.; Tuyen, L. A.; Duy, N. H.) The present paper reported on the analysis …
Развитие и усовершенствование Монте Карло генераторов для взаимодействий анти-протонов и протонов с протонами и ядрами, а также для ядро-ядерных взаимодействий
Fri, 04/18/2025 - 12:35
Галоян А.С. (Андрей Кузнецов, Владимир Ужинский, Ле Тай Киун Транг) С целью улучшения адронных моделей в широко используемом пакете GEANT4 с помощью системных админов был установлен этот пакет на платформе HybriLIT. Были проверены наши тесты для моделирования адрон-адронных, адрон-ядерных и ядро-ядерных взаимодействий. Для развития физической программы экспериментов SPD на строящемся …
The defects characterization in nano-materials by density functional theory (DFT). The theoretical calculation is necessary to interpret and predict the experimental data
Fri, 04/18/2025 - 12:28
Nguyen Vu Minh Trung Two-component density functional theory (TCDFT) enables precise modeling of positron-electron interactions in materials, providing crucial insights into defect characterization through positron annihilation spectroscopy. By simultaneously calculating electron and positron densities, this approach accurately predicts positron lifetimes and annihilation rates at defect sites. Comparing these theoretical predictions …
Поздравляем!
Fri, 04/11/2025 - 16:16
Поздравляем с успешными докладами студентов Дальневосточного федерального университета Геннадия Карпова, Даниила Дереза, Максима Лебедева и Максима Сказкина! В 2024 году студенты прошли производственную практику в Лаборатории информационных технологий (ЛИТ) ОИЯИ под руководством высококвалифицированных специалистов группы HybriLIT — Дмитрия Белякова и Максима Зуева. Студенты представили результаты своих научно-исследовательских работ на Весенней …
Весенняя Школа по информационным технологиям 2025
Mon, 04/07/2025 - 13:34
Даты проведения 09-10 апреля 2025 года. Формат проведения Очно (ЛИТ ОИЯИ) Онлайн (через платформу MTS Link — https://jinr.mts-link.ru/j/28441625/1088626515). О Весенней Школе По итогам Осенней Школы, которая проходила с 07 по 11 октября 2024 года в Лаборатории информационных технологий им. М.Г. Мещерякова ОИЯИ, были сформированы научные группы, включающие в себя студентов, их руководителей …
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