Browsing ODA Open Digital Archive by Author "Elgarøy, Øystein"

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    • Gravitational Entropy and Inflation 

      Elgarøy, Øystein; Grøn, Øyvind (Entropy;15 (9), Journal article; Peer reviewed, 2013-09-04)
      The main topic of this paper is a description of the generation of entropy at the end of the inflationary era. As a generalization of the present standard model of the Universe dominated by pressureless dust and a Lorentz ...

    • A physical interpretation of Hubble’s law and the cosmological redshift from the perspective of a static observer 

      Bræck, Simen; Elgarøy, Øystein (General Relativity and Gravitation;44 (10), Journal article; Peer reviewed, 2012-07-18)
      We derive explicit and exact expressions for the physical velocity of a free particle comoving with the Hubble flow as measured by a static observer, and for the frequency shift of light emitted by a comoving source and ...