Browsing Fizik by Subject "Gravity."

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  • Aspects of nonrelativistic strong gravity 
    Hamamcı, Efe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    We carry out the leading order (LO) large c expansion to GR in the presence of odd powers with the tools provided by Newton-Cartan (NC) gravity. As a result, a set of di eomorphism invariant LO equations are found. The odd ...
  • Modified theories of gravity via alternative couplings and their cosmological analyses 
    Kavuk, Mehmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    We propose alternative gravitational couplings, fields and design some models to explain some cosmological problems. We investigate a cosmological model in which the Stueckelberg fields describing a massive photon are ...
  • On the large c expansion of general relativity 
    Ergen, Mert. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This paper will start with the classical description of gravity. It will next explain the mathematical tools that will be used to carry classical gravity to a geometrical frame. After demonstrating the covariant formulation ...

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