• Non-minimal quintessence: Dynamics and coincidence problem

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    • Keywords


      Non-minimal quintessence; coincidence problem.

    • Abstract


      Brans–Dicke scalar–tensor theory provides a conformal coupling of the scalar field with gravity in Einstein’s frame. This model is equivalent to an interacting quintessence in which dark matter is coupled to dark energy. This provides a natural mechanism to alleviate the coincidence problem. We investigate the dynamics of this model and show that it leads to comparable dark energy and dark matter densities today.

    • Author Affiliations


      Fatimah Shojai1 Ali Shojai1

      1. Department of Physics, University of Tehran, Tehran, Iran
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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