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  • 2017
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  • Jimenez, Jose Beltran, et al. (author)
  • Modified Gravity with Vector Distortion and Cosmological Applications
  • 2017
  • In: Universe. - : MDPI AG. - 2218-1997. ; 3:2
  • Journal article (peer-reviewed)abstract
    • We briefly review the basics of Weyl geometry and its natural extension by a general linear "distortion" of the metric connection by a vector field. A special class of the connections has torsion but retains the Weyl's semi-metricity condition. We present ghost-free gravitational theories in this geometrical setup and highlight their possible cosmological applications, such as new self-tuning solutions and new bouncing solutions found in the quadratic-curvature theories. The vector distortion can mimic the cosmological effects of dark matter.
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