论文标题
电力法的动力稳定性K-效率黑暗能源模型与新互动
Dynamical Stability of the Power Law K-essence Dark Energy Model with a New Interaction
论文作者
论文摘要
我们研究了功率法的宇宙学演化K- essence Dark Energy（de）$ f（x）= - \ sqrt {x} + x $，带有新的相互作用$ q =αρ_Mρ_{ϕ} h^{ - 1} $在FRWL SpaceTime中。通过使用动力学系统方法分析了这种相互作用下暗能的演化行为，并获得了十个关键点。在这些关键点中，一个新的稳定点，我们称之为缩放的暗能量（DE）解决方案非常重要且有趣。该吸引子的宇宙学含义不同于缩放溶液和深色能源的溶液。对于模型参数的某些值，宇宙将演变为带有暗能量密度参数$ω__= 0.682946 $和状态$ w_ϕ = -0.99 $的吸引子解决方案，这与观察到的数据可以很好地一致，并减轻巧合问题。
We investigate the cosmological evolution of the power law K-essence dark energy (DE) model $F(X)= -\sqrt{X} + X$ with a new interaction $Q = αρ_mρ_{ϕ}H^{-1}$ in FRWL spacetime. The evolution behavior of dark energy under this interaction is analyzed by using dynamical systems method, and ten critical points are obtained. Among those critical points, a new stable point, which we called Scaling-like dark energy(DE) solution, is very important and interesting. The cosmological meaning of this attractor is different from the Scaling solution and dark energy dominated solution. For some value of model parameters, the universe will evolve to the attractor solution with the dark energy density parameter $Ω_ϕ=0.682946$ and the the equation of state $w_ϕ=-0.99$, which can be in good agreement with the observed data, and alleviate the Coincidence Problem.
