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

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

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/211474

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0808.3482
 http://arxiv.org/abs/0808.3482
 Phys.Rev.D78:123503,2008
 doi:10.1103/PhysRevD.78.123503

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arXiv