Dynamical systems analysis shows loop quantum cosmology removes stable attractors in interacting dark energy-dark matter models that exist under classical gravity.
Effects of the interaction between dark energy and dark matter on cosmological parameters
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abstract
We examine the effects of possible phenomenological interactions between dark energy and dark matter on cosmological parameters and their efficiency in solving the coincidence problem. We work with two simple parameterizations of the dynamical dark energy equation of state and the constant dark energy equation of state. Using observational data coming from the new 182 Gold type Ia supernova samples, the shift parameter of the Cosmic Microwave Background given by the three-year Wilkinson Microwave Anisotropy Probe observations, and the baryon acoustic oscillation measurement from the Sloan Digital Sky Survey, we perform a statistical joint analysis of different forms of phenomenological interactions between dark energy and dark matter.
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gr-qc 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Generalizes the interacting dilatonic ghost condensate dark energy model, performs phase-space analysis for non-interacting and two interacting cases, and reports parameter constraints from Cosmic Chronometers, PantheonPlus, and DESI data for n=3 and n=5.
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Classical and Loop Quantum Cosmology of Interacting Dark Energy: A Dynamical System Analysis with Superfluid Dark Matter and Dust Matter
Dynamical systems analysis shows loop quantum cosmology removes stable attractors in interacting dark energy-dark matter models that exist under classical gravity.
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Generalizing the interacting dilatonic ghost condensate as a dark energy model
Generalizes the interacting dilatonic ghost condensate dark energy model, performs phase-space analysis for non-interacting and two interacting cases, and reports parameter constraints from Cosmic Chronometers, PantheonPlus, and DESI data for n=3 and n=5.