Репозиторий Dspace

Theses and Dissertations

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Theses and Dissertations

 

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  • Abduvalov, Alshyn (Nazarbayev University School of Sciences and Humanities, 2024-06-04)
    The world energy problem has been facing harsh challenges in the last few decades due to the increase in energy consumption of the growing world population and decreasing reserves of traditional carbon-based energy resources. ...
  • Zholdasbek, Aknur (Nazarbayev University School of Sciences and Humanities, 2024-05-03)
    The modern cosmological models tell us that the early universe has gone through a phase of accelerated expansion, known as inflation, which solves the horizon and flatness problems. In this thesis, I present an inflationary ...
  • Asanov, Nurzhan (Nazarbayev University School of Sciences and Humanities, 2024-04-30)
    The performance of organic bulk-heterojunction solar cells is closely tied to the morphology of their active layer, a disordered mixture of organic donor and acceptor materials, where photoexcitation and charge generation ...
  • Telman, Yerassyl (Nazarbayev University School of Sciences and Humanities, 2024-04)
    Modern Astrophysics, and the study of Core-Collapse Supernovae in particular, require an intense computational power and convenient code for different machines. A portable versatile code IDEFIX is able to deal with these ...
  • Abdukhairov, Ilyar (Nazarbayev University School of Sciences and Humanities, 2024-04-21)
    The absorption and oxidation of NOx gases by potassium persulfate has been implemented to remove the NOx gases from the air by forced ventilation through wet silica gel beads soaked with K2S2O8 /K2CO3 and (NH4)2S2O8 ...
  • Asare, Ernest Adiyiah (School of Sciences and Humanities, 2023)
    Organic tandem solar cells have attracted significant attention as a promising technology for next-generation photovoltaics due to their potential to achieve high power conversion efficiencies. In this study, we present a ...
  • Shukurov, Sanat (School of Sciences and Humanities, 2023)
    Dielectric multilayers with graded index treat the propagating waves impinging at different angles very differently, due to total internal reflection. Such an ultra-sharp change in the response can be exploited for ...
  • Aryngazin, Ansar (School of Sciences and Humanities, 2023)
    In this research we investigate the shear-free, non-viscous perfect fluid model describing stellar object that emits radiation that leads to dissipation. We study matching of the interior metric with the exterior outgoing ...
  • Kulchukova, Zhamila (School of Sciences and Humanities, 2023)
    In recent years, optical vortex knots have been the subject of active research. The knots appear in various areas of physics and understanding the mechanism that is responsible for their formation is a problem that extends ...
  • Abilmazhinova, Madina (School of Sciences and Humanities, 2023)
    Radiating spherically-symmetric collapsing model is studied. Exterior Vaidya spacetime is matched with the interior of a perfect fluid with a heat flow. Junction conditions and field equations are derived, revealing that ...
  • Bissekenov, Abylay (School of Sciences and Humanities, 2023)
    This thesis investigates possible ways to apply supervised machine learning algorithms on N-body simulations. Because of the limitations of observational data, there is a motivation to research star clusters by the N-body ...
  • Shomenov, Toreniyaz (Nazarbayev University School of Sciences and Humanities, 2020-05-05)
    Expectation values of singular operators evaluated in the framework of the Rayleigh-Ritz variational method in quantum mechanics may show slow convergence with increasing the number of basis functions, K. An example of ...
  • Yessimbet, Kamilya (Nazarbayev University School of Sciences and Humanities, 2018-04-23)
    Study of Ultra-High energy Cosmic Rays (UHECR) coming to Earth from the deep cosmos has the potential to open the veil on some remaining mysteries in the field of High Energy Physics and Astrophysics. Horizon-T detector ...
  • Gilman, Narynbek (Nazarbayev University School of Sciences and Humanities, 2020)
    A pedagogical construction and review, aimed at the undergraduate level, are given of the brick wall model. The brick wall is a finite region just outside the event horizon of a black hole. It is introduced in order to ...