摘要We investigate the modified Chaplygin gas (MCG) with interaction between holographic dark energy proposed by Li and dark matter. In this model, evolution of the universe is described in detail, which is from deceleration to acceleration. Specifically, the evolutions of related cosmological quantities such as density parameter, the equation of state of holographic dark energy, deceleration parameter and transition redshift are discussed. Moreover, we also give their present values which are consistent with the lately observations. Furthermore, the results given by us show such a model can accommodate a transition of the dark energy from a normal state wX>-1 to wX<-1 phantom regimes.
Abstract：We investigate the modified Chaplygin gas (MCG) with interaction between holographic dark energy proposed by Li and dark matter. In this model, evolution of the universe is described in detail, which is from deceleration to acceleration. Specifically, the evolutions of related cosmological quantities such as density parameter, the equation of state of holographic dark energy, deceleration parameter and transition redshift are discussed. Moreover, we also give their present values which are consistent with the lately observations. Furthermore, the results given by us show such a model can accommodate a transition of the dark energy from a normal state wX>-1 to wX<-1 phantom regimes.
(Mathematical and relativistic aspects of cosmology)
引用本文:
WANG Cong;WU Ya-Bo;LIU Fei. Evolution of Holographic Dark Energy in Interacting Modified Chaplygin Gas Model[J]. 中国物理快报, 2009, 26(2): 29801-029801.
WANG Cong, WU Ya-Bo, LIU Fei. Evolution of Holographic Dark Energy in Interacting Modified Chaplygin Gas Model. Chin. Phys. Lett., 2009, 26(2): 29801-029801.
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2009, Vol. 26 
