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Browsing Physics and Astronomy by Title

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  • 1/ Nc approximation and universality of vector mesons 
    Volkov, M. K.; Osipov, A. A.; Pivovarov, A. A.; Nurlan, K. (PHYSICAL REVIEW D, 2021)
  • A bio inspired learning scheme for the fractional order kidney function model with neural networks 
    Sabir, Zulqurnain; Ahmad Bhat, Shahid; Wahab, Hafiz Abdul; Camargo, Maria Emilia; Abildinova, Gulmira; Zulpykhar, Zhandos (Chaos, Solitons and Fractals, 2024)
    The numerical procedures of the fractional order kidney function model (FO-KFM) are presented in this study. These derivatives are implemented to get the precise and accurate solutions of FO-KFM. The nonlinear form of ...
  • A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode 
    Nikonov, A.V.; Kuterbekov, K.A.; Bekmyrza, K.Zh.; Pavzderin, N.B. (Eurasian Journal of Physics and Functional Materials, 2018)
    Cathode materials with mixed ion-electron conductivity (MIEC) are necessary for the development of low or intermediate temperature solid oxide fuel cells. Perovskite and perovskite-related materials are promising candidates ...
  • A comparative study of promising filter materials for neutron imaging facilities 
    Nazarov, K.M.; Kichanov, S.E.; Lukin, E.V.; Zel, I.Yu.; Kozlenko, D.P.; Zholdybayev, T.K.; Muhametuly, B.; Kenessarin, M.; Rutkauskas, A.V.; Yskakov, A.; Belova, M.O. (Eurasian Journal of Physics and Functional Materials, 2021)
    The effect of sapphire and bismuth single-crystal filters and their combinations on the quality of neutron radiographic images and neutron tomography data has been studied. The parameters of the contrast of the neutron ...
  • A comprehensive parametrization approach for the Hubble parameter in scalar field dark energy models 
    Koussour, M.; Myrzakulov, N.; Myrzakulova, S.; Sofuoğlu, D. (Results in Physics, 2023)
    This study proposes a novel parametrization approach for the dimensionless Hubble parameter i.e. 𝐸2 (𝑧) = 𝐴(𝑧) + 𝛽(1 + 𝛾𝐵(𝑧)) in the context of scalar field dark energy models. The parametrization is characterized ...
  • A comprehensive parametrization approach for the Hubble parameter in scalar field dark energy models 
    Koussour, M.; Myrzakulov, N.; Myrzakulova, S.; Sofuogl, D. (Results in Physics, 2023)
    This study proposes a novel parametrization approach for the dimensionless Hubble parameter i.e. E2(z)=A(z)+β(1+γB(z)) in the context of scalar field dark energy models. The parameterization is characterized by two functions, ...
  • A holographic bound for D3-brane 
    Momeni, Davood; Faizal, Mir; Myrzakul, Aizhan; Bahamonde, Sebastian; Myrzakulov, Ratbay (Eurasian Physical Technical Journal C, 2017)
    In this paper, we will regularize the holographic entanglement entropy, holographic complexity and fidelity susceptibility for a configuration of D3-branes. We will also study the regularization of the holographic ...
  • A measurement of the K+→π+μ+μ− decay 
    Cortina Gil, E.; Kleimenova, A.; Minucci, E.; Padolski, S.; Petrov, P.; Shaikhiev, A.; Volpe, R.; Numao, T.; Petrov, Y.; Velghe, B.; Wong, V. W. S. (Journal of High Energy Physics, 2022)
    A sample of 2.8×104 K+→π+μ+μ− candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017--2018. The model-independent branching fraction is measured to be (9.15±0.08)×10−8, a factor ...
  • A new f (Q) cosmological model with H (z) quadratic expansion 
    Myrzakulov, N.; Koussour, M.; Jyoti Gogoi, Dhruba (Physics of the Dark Universe, 2023)
    We present a new f(Q) cosmological model capable of reproducing late-time acceleration, i.e. f(Q)=λ0(λ+Q)n by supporting certain parametrization of the Hubble parameter. By using observational data from Hubble, Pantheon, ...
  • A new Om(z) diagnostic of dark energy in general relativity theory 
    Myrzakulov, N.; Koussour, M.; Gogoi, Dhruba Jyoti (Eurasian Physical Technical Journal C, 2023)
    In this paper, we propose a new parametrization of dark energy based on the Om(z) diagnostic tool behavior. For this purpose, we investigate a functional form of the Om(z) that predicts the popular dark energy ...
  • A new Om(z) diagnostic of dark energy in general relativity theory 
    Myrzakulov, N.; Koussour, M.; Jyoti Gogoi, Dhruba (The European Physical Journal C, 2023)
    In this paper, we propose a new parametrization of dark energy based on the Om(z) diagnostic tool behavior. For this purpose, we investigate a functional form of the Om(z) that predicts the popular dark energy dynamical ...
  • A Novel Asymptotic Solution to the Sommerfeld Radiation Problem: Analytic Field Expressions and the Emergence of the Surface Waves 
    Sautbekov, Seil; Bourgiotis, Sotiris; Chrysostomou, Ariadni; Frangos, Panayiotis (Progress In Electromagnetics Research M, 2018)
    The well-known “Sommerfeld radiation problem” of a small -Hertzian- vertical dipole above flat lossy ground is reconsidered. The problem is examined in the spectral domain, through which it is proved to yield relatively ...
  • A Real-Time Dynamic Gesture Variability Recognition Method Based on Convolutional Neural Networks 
    Amangeldy, Nurzada; Milosz, Marek; Kudubayeva, Saule; Kassymova, Akmaral; Kalakova, Gulsim; Zhetkenbay, Lena (Applied Sciences, 2023)
    Among the many problems in machine learning, the most critical ones involve improving the categorical response prediction rate based on extracted features. In spite of this, it is noted that most of the time from the ...
  • A Real-Time Dynamic Gesture Variability Recognition Method Based on Convolutional Neural Networks 
    Amangeldy, Nurzada; Milosz, Marek; Kudubayeva, Saule; Kassymova, Akmaral; Kalakova, Gulsim; Zhetkenbay, Lena (Applied Sciences, 2023)
    Among the many problems in machine learning, the most critical ones involve improving the categorical response prediction rate based on extracted features. In spite of this, it is noted that most of the time from the ...
  • A ROOT-based program for analysing data on T-odd asymmetry in the neutron-induced fission of heavy nuclei 
    Berikov, D.B.; Ahmadov, G.S.; Kopatch, Yu.N.; Zhumadilov, K.Sh. (Eurasian Journal of Physics and Functional Materials, 2020)
    This paper presents a ROOT based program that allows processing the data from experiments on the ROT-asymmetry in the angular distribution of fission products and present the results of the experiment in a convenient and ...
  • A study of the K+→π0e+νγ decay 
    Gil, E. Cortina; Kleimenova, A.; Minucci, E.; Padolski, S.; Petrov, P. (Journal of High Energy Physics, 2023)
    A sample of 1.3×105 K+→π0e+νγ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in three ...
  • A Systematic Literature Review of Current Trends in Electronic Voting System Protection Using Modern Cryptography 
    Aidynov, Tolegen; Goranin, Nikolaj; Satybaldina, Dina; Nurusheva, Assel (Applied Sciences, 2024)
    Electronic voting, based on cryptographic protocols and blockchain technology, represents an advanced method for ensuring the security, transparency, and reliability of electoral processes. The scientific research presented ...
  • A Systematic Literature Review of Current Trends in Electronic Voting System Protection Using Modern Cryptography 
    Aidynov, Tolegen; Goranin, Nikolaj; Satybaldina, Dina; Nurusheva, Assel (Applied Sciences, 2024)
    Electronic voting, based on cryptographic protocols and blockchain technology, represents an advanced method for ensuring the security, transparency, and reliability of electoral processes. The scientific research presented ...
  • Ab Initio Study on the Vibrational and Electronic Properties of Radiation-Induced Defects in Potassium Bromide 
    Platonenko, Alexander; Pankratov, Vladimir; Kotomin, Eugene A.; Dauletbekova, Alma; Popov, Anatoli I. (Crystals, 2024)
    The vibrational and electronic properties of several basic radiation defects in potassium bromide are computed at the quantum mechanical level using a periodic supercell approach based on hybrid functionals, an all-electron ...
  • Ab Initio Study on the Vibrational and Electronic Properties of Radiation-Induced Defects in Potassium Bromide 
    Platonenko, Alexander; Pankratov, Vladimir; Kotomin, Eugene A.; Dauletbekova, Alma; Popov, Anatoli I. (Crystals, 2024)
    The vibrational and electronic properties of several basic radiation defects in potassium bromide are computed at the quantum mechanical level using a periodic supercell approach based on hybrid functionals, an all-electron ...

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