Search for dissertations about: "special relativity"

Showing result 1 - 5 of 8 swedish dissertations containing the words special relativity.

  2. 1. Stellar Models in General Relativity

    Author : Lars Samuelsson; Kjell Rosquist; Brandon Carter; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; General relativity; compact objects; neutron stars; Physics; Fysik;

    Abstract : Neutron stars are some of the most fascinating objects in Nature. Essentially all aspects of physics seems to be represented inside them. Their cores are likely to contain deconfined quarks, hyperons and other exotic phases of matter in which the strong interaction is the dominant force. READ MORE

  4. 2. Photospheric emission from structured, relativistic jets : applications to gamma-ray burst spectra and polarization

    Author : Christoffer Lundman; Felix Ryde; Andrei Beloborodov; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; gamma-ray bursts; photospheric emission; radiative processes; polarization; special relativity;

    Abstract : The radiative mechanism responsible for the prompt gamma-ray burst (GRB) emission remains elusive. For the last decade, optically thin synchrotron emission from shocks internal to the GRB jet appeared to be the most plausible explanation. READ MORE

  5. 3. Strong Cosmic Censorship and Cosmic No-Hair in spacetimes with symmetries

    Author : Katharina Maria Radermacher; Hans Ringström; James Isenberg; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Cosmic Censorship; Cosmic No-Hair; Big Bang; symmetry; Bianchi; T2-symmetry; Gowdy; general relativity; cosmology; late time; initial time; asymptotic behaviour; perfect fluid; scalar field; Einstein equations; Mathematics; Matematik;

    Abstract : This thesis consists of three articles investigating the asymptotic behaviour of cosmological spacetimes with symmetries arising in Mathematical General Relativity.In Paper A and B, we consider spacetimes with Bianchi symmetry and where the matter model is that of a perfect fluid. READ MORE

  6. 4. Dynamical systems in cosmology and astrophysics

    Author : Ulf Nilsson; Alan Coley; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; Fysik; Physics; fysik;

    Abstract : General relativity is today an important branch of physics. It has, since its publication at the beginning of this century, changed from being of more mathematical than physical interest to one of the most active experimental fields in physics. READ MORE

  7. 5. Unravelling Consistent Spin-2 Interactions

    Author : Mikael von Strauss; Sayed Fawad Hassan; Mikhail Volkov; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Modified Gravity; Massive Spin-2; Spin-2 Interactions; teoretisk fysik; Theoretical Physics;

    Abstract : Recently, a unique formulation of a classically consistent theory of massive spin-2 fields has emerged. In this thesis I address a few of the primary questions that arise once such a theory is available. READ MORE