In this paper, we consider three phantom dark energy models, in the context of interaction
between the dark components namely cold dark matter (CDM) and dark energy (DE). The …

We investigate models of interacting dark matter and dark energy for the Universe in a
spatially flat Friedmann-Robertson-Walker space-time. We find the “source equation” for the …

We present three distinct types of models of dark energy in the form of a scalar field which is
explicitly coupled to dark matter. Our construction draws from the pull-back formalism for …

We use observations of cosmic microwave background (CMB) anisotropies, supernova
luminosities and the baryon acoustic oscillation signal in the galaxy distribution to constrain …

If dark energy interacts with dark matter, there is a change in the background evolution of the
universe, since the dark matter density no longer evolves as a− 3. In addition, the non …

We present the most general parametrization of models of dark energy in the form of a scalar
field which is explicitly coupled to dark matter. We follow and extend the parametrized post …

We present a new systematic analysis of the early radiation era solution in an interacting
dark energy model to find the adiabatic initial conditions for the Boltzmann integration. In a …

It is possible that there exist some interactions between dark energy (DE) and dark matter
(DM), and a suitable interaction can alleviate the coincidence problem. Several …

Dark energy might interact with cold dark matter in a direct, nongravitational way. However,
the usual interacting dark energy models (with constant w) suffer from some catastrophic …

A macroscopic and kinetic relativistic description for a decoupled multi-fluid cosmology
endowed with gravitationally induced particle production of all components is proposed. The …