Blar i ODA Open Digital Archive på forfatter "Johannesen, Steinar"

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    • Different representations of the Levi-Civita Bertotti Robinson solution 

      Grøn, Øyvind; Johannesen, Steinar (The European Physical Journal Plus;128, Journal article; Peer reviewed, 2013-04-23)
      The Levi-Civita Bertotti Robinson (LBR) spacetime is investigated in various coordinate systems. By means of a general formalism for constructing coordinates in conformally flat spacetimes, coordinate transformations ...

    • Generalizations of the Levi-Civita-Bertotti-Robinson spacetime 

      Grøn, Øyvind; Johannesen, Steinar (The European Physical Journal Plus;129(10), Journal article; Peer reviewed, 2014-10-22)
      The Levi-Civita-Bertotti-Robinson (LBR) solution of Einstein's field equations may be interpreted to describe spacetime in a region without matter outside a charged spherical domain wall. In the present paper we investigate ...