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Browsing Physics and Astronomy by Issue Date

Browsing Physics and Astronomy by Issue Date

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  • Compact stars in vector–tensor-Horndeski theory of gravity 
    Momeni, Davood; Faizal, Mir; Myrzakulov, Kairat; Myrzakulov, Ratbay (Eurasian Physical Technical Journal C, 2017)
    In this paper, we will analyze a theory of modified gravity, in which the field content of general relativity will be increased to include a vector field. We will use the Horndeski formalism to non-minimally couple this ...
  • Classical and Quantum Gravity and Its Applications 
    Hossein Hendi, Seyed; Corda, Christian; Mazharimousavi, Habib; Momeni, Davood; Sepehri-Rad, Masoud; Saridakis, Emmanuel N. (Advances in High Energy Physics, 2017)
  • 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 ...
  • Cosmic string in gravity’s rainbow 
    Momeni, Davood; Upadhyay, Sudhaker; Myrzakulov, Yerlan; Myrzakulov, Ratbay (Astrophysics and Space Science, 2017)
    In this paper, we study the various cylindrical solutions (cosmic strings) in gravity’s rainbow scenario. In particular, we calculate the gravitational field equations corresponding to energy-dependent background. Further, ...
  • Analysis of ( 11Li+ 9Be)-reaction in the framework of the time-dependent Schrodinger equation 
    Azhibekov, A.K.; Kuterbekov, K.A.; Samarin, V.V. (Eurasian Journal of Physics and Functional Materials, 2018)
    Neutron transfer and nucleus breakup cross sections in ( 11Li + 9Be) -reaction are calculated at energy range up to 32 MeV/nucleon. The evolution of probability density of external weakly bound neutrons of 11Li and the ...
  • 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 ...
  • Quintessential Inflation and curvaton reheating 
    Agarwal, Abhineet; Bekov, Sabit; Myrzakulov, Kairat (arXiv, 2018)
    In this paper we consider a model of quintessential inflation based upon inverse hyperbolic potential. We employ curvaton mechanism for reheating which is more efficient than gravitational particle production; the mechanism ...
  • Consequences of three modified forms of holographic dark energy models in bulk–brane interaction 
    Pasqua, Antonio; Chattopadhyay, Surajit; Myrzakulov, Ratbay (Canadian Journal of Physics, 2018)
    In this paper, we study the effects that are produced by the interaction between a brane Universe and the bulk in which the Universe is embedded. Taking into account the effects produced by the interaction between a brane ...
  • Complex method to calculate objective assessments of information systems protection to improve expert assessments reliability 
    Abdenov, A Zh; Trushin, V A; Abdenova, G A (Journal of Physics: Conference Series, 2018)
    The paper considers the questions of filling the relevant SIEM nodes based on calculations of objective assessments in order to improve the reliability of subjective expert assessments. The proposed methodology is ...
  • Cluster Structure of 9Be by Scattering of Deuterons 
    Lukyanov, S.M.; Denikin, A. S.; Naumenko, M. A.; Burjan, V.; Trzaska, W.H.; Harakeh, M.; Etasse, D.; Kroha, V.; Mrazek, J.; Mendibayev, K.; Sivacek, I.; Glagolev, V.; Pisko, S.; Penionzhkevich, Yu.E.; Skobelev, N.K.; Stefan, I.; Verney, D.; Kuterbekov, K.; Zholdyvayev, T. (IOP Conference Series: Materials Science and Engineering, 2018)
    Angular distributions of protons, deuterons, tritons and alpha particles emitted in the reaction 2H+9Be at Elab=19.5 MeV were measured with an aim to shed light on the internal cluster structure of 9Be and to study ...
  • 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 ...
  • An analysis of cross-sections of 9Be + 28Si interaction in the framework of the double-folding model 
    Kabyshev, A.M.; Kuterbekov, K.A.; Azhibekov, A.K.; Bekmyrza, K.Zh.; Mukhambetzhan, A.M.; Kenzhebek, M.K.; Sovetkhanov, Ye.K.; Yeltay, Zh.A. (Eurasian Journal of Physics and Functional Materials, 2019)
    In this paper the experimental data on the differential cross sections for elastic scattering of 9 Be ions on 28 Si nucleus at the energies of the incident nucleus ranging from 12 to 201.6 MeV were analyzed in the framework ...
  • Analysis of the 28Si(α,α) 28Si elastic scattering at energies from 12.7 to 50.5 MeV 
    Amer, Ahmed Hammad; Penionzhkevich, Yu. E.; Yergaliuly, G. (Journal of Physics: Conference Series, 2019)
    The available experimental elastic scattering angular distributions data of αparticles on 28Si nucleus have been reanalyzed in the energy range from 12.7 to 50.5 MeV. The analysis performed within the context of optical ...
  • Break-up reactions of 6Li, 7Be and 8B 
    Issatayev, T.; Lukyanov, S.M.; Sereda, Yu.M.; Artukh, A.G.; Aznabayev, D.; Borcea, C.; Calinescu, S.; Erdemchimeg, B.; Hue, B.M.; Kabyshev, A.M.; Klygin, S.A. (Eurasian Journal of Physics and Functional Materials, 2019)
  • Bulk viscous embedded hybrid dark energy models 
    Mishra, B.; Ray, Pratik P.; Myrzakulov, R. (Eurasian Physical Technical Journal C, 2019)
    In this paper, we have constructed the cosmological model of the universe in a two-fluid environment with a newly developed mathematical formalism. In order to construct the model, Binachi type V (BV) space time ...
  • Cosmological model of F(T) gravity with fermion fields via Noether symmetry 
    Myrzakulov, Nurgissa; Bekov, Sabit; Myrzakulova, Shamshyrak; Myrzakulov, Ratbay (Journal of Physics: Conference Series, 2019)
    In this article, we investigate the modified F(T) gravity, which is non-minimally coupled with the Dirac (fermion) field in Friedmann-Robertson-Walker space-time. Point-like Lagrangian is derived and modified Friedmann ...
  • Cosmological solutions of F (R, T) gravity model with k - essence 
    Yerzhanov, Koblandy; Meirbekov, Bekdaulet; Bauyrzhan, Gulnur; Myrzakulov, Ratbay (Journal of Physics: Conference Series, 2019)
  • Cosmological Yang-Mills model with k-essence 
    Razina, O V; Tsyba, P Yu; Myrzakulov, R; Meirbekov, B; Shanina, Z (Journal of Physics: Conference Series, 2019)
  • Cosmology of f-essence with inhomogeneous viscous fluid 
    Myrzakul, S; Arzimbetova, M; Imankul, M (Journal of Physics: Conference Series, 2019)
    F-essence is a generalized form of fermion fields. In this paper, we study the dynamics of f-essence with a viscous fluid in the flat Friedmann-Robertson-Walker universe. Various types of viscous fluids are analyzed and ...
  • Comparison of calculated by DFTB electronic excitation energies of CdS nanosized clusters with DFT results 
    Aldongarov, A.A.; Assilbekova, A.M.; Irgibaeva, I.S.; Mantel, A.I. (Eurasian Journal of Physics and Functional Materials, 2020)
    Nano-dimensional crystalline cadmium sulfide is a semiconductor that exhibits size-dependent optoelectronic properties, determined by the effects of quantum confinement. Due to these effects, it is possible to adjust the ...

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