Dynamics of interacting dark energy model in Einstein and Loop Quantum Cosmology

Details Dynamics of interacting dark energy model in Einstein and Loop Quantum Cosmology Dynamics of interacting dark energy model in Einstein and Loop Quantum Cosmology

2008-08-26

arxiv.org/abs/0808.3482v2

Phys.Rev.D78:123503,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages, 4 figures, references added, accepted by Phys. Rev. D

Scientific paper

10.1103/PhysRevD.78.123503

We investigate the background dynamics when dark energy is coupled to dark matter in the universe described by Einstein cosmology and Loop Quantum Cosmology. We introduce a new general form of dark sector coupling, which presents us a more complicated dynamical phase space. Differences in the phase space in obtaining the accelerated scaling attractor in Einstein cosmology and Loop Quantum Cosmology are disclosed.

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