Pilgrim暗能量的广义Ghost版本分析
Analysis of Generalized Ghost Version of Pilgrim Dark Energy
摘要：
朝圣者暗能量的提出是基于这样一种推测，即幽灵般的暗能量具有足够的阻力，可以阻止后期宇宙中黑洞的形成。我们通过假设朝圣者暗能量的广义幽灵版本来探索这种现象。我们发现，大多数的相互作用（$ξ^2$）以及朝圣者暗能量（$u$）参数的值推状态方程参数向幻影区。声速的平方表明，该模型在$ξ^2$和$u$的大多数情况下保持稳定。我们还开发了$ω_Λ-ω'_Λ$平面，并观察到该模型对应于解冻以及冻结区。最后，它表明，非相互作用和相互作用的广义鬼版本的朝圣者暗能量对应于$Λ$ CDM限制上的statefinder平面。
英文摘要：
The proposal of pilgrim dark energy is based on the speculation that phantom-like dark energy possesses enough resistive force to preclude the black hole formation in the later universe. We explore this phenomenon by assuming the generalized ghost version of pilgrim dark energy. We find that most of the values of the interacting ($ξ^2$) as well as pilgrim dark energy ($u$) parameters push the equation of state parameter towards phantom region. The squared speed of sound shows that this model remains stable in most of the cases of $ξ^2$ and $u$. We also develop $ω_Λ-ω'_Λ$ plane and observe that this model corresponds to thawing as well as freezing regions. Finally, it is shown that the non-interacting and interacting generalized ghost versions of pilgrim dark energy correspond to $Λ$CDM limit on the statefinder plane.
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