Now showing items 1-2 of 2

  • Jimenez, Jose Beltran; Golovnev, A.; Karčiauskas, Mindaugas; Koivisto, Tomi Sebastian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    The bimetric variational principle is a subtle reinterpretation of general relativity that assumes the spacetime connection to be generated by an independent metric. Unlike the so-called Palatini formalism that promotes ...
  • Jimenez, Jose Beltran; Mota, David; Santos, Paulo Guilherme dos (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    We study the cosmological evolution for a universe in the presence of a continuous tower of massive scalar fields which can drive the current phase of accelerated expansion of the universe and, in addition, can contribute ...