Dynamical behavior of interacting dark energy in loop quantum cosmology

Details Dynamical behavior of interacting dark energy in loop quantum cosmology Dynamical behavior of interacting dark energy in loop quantum cosmology

2010-06-28

arxiv.org/abs/1006.5377v1

Int.J.Mod.Phys.A25:4993-5007,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 5 figures

Scientific paper

10.1142/S0217751X10050585

The dynamical behaviors of interacting dark energy in loop quantum cosmology are discussed in this paper. Based on defining three dimensionless variables, we simplify the equations of the fixed points. The fixed points for interacting dark energy can be determined by the Friedmann equation coupled with the dynamical equations {in Einstein cosmology}. But in loop quantum cosmology, besides the Friedmann equation, the conversation equation also give a constrain on the fixed points. The difference of stability properties for the fixed points in loop quantum cosmology and the ones in Einstein cosmology also have been discussed.

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