论文标题
非线性电动力学模型中的新兴宇宙学
Emergent Cosmology in Models of Nonlinear Electrodynamics
论文作者
论文摘要
非线性电动力学充当重力爱因斯坦田间方程的来源，导致了新兴的宇宙学，这是一种可以避免大爆炸奇点的替代解决方案。在本文中，我们通过使用状态参数$ω$的方程来探讨非线性电动力学模型（用维数参数$β$描述），并查看参数$β$如何帮助宇宙从准静态Minkowski阶段到均衡阶段的阶段，从而使宇宙阶段通过阶段扩展到阶段，从而使阶段扩展到了阶段，从而使阶段均通过阶段和次级的阶段进行了阶段和次级的阶段，从而逐步逐步逐步逐步逐步逐步逐步逐步逐步逐步扩展。我们预测光谱索引参数$ n_s = 0.97467 $（标量光谱指数），$ r = 0.10133 $（张量与标量比）和$ n_t = -0.01267 $（张量光谱指数$ b_0 = 10^{ - 10} $ g。
Nonlinear electrodynamics, which acts as a source of gravity Einstein field equations, leads to emergent cosmology, an alternative solution which can avoid Big Bang singularity. In this paper, we explore the emerging universe in models of non-linear electrodynamics (described by dimensional parameter $β$) by using the equation of state parameter $ω$ and see how the parameter $β$ helps the universe to cause a transition from a quasi-static Minkowski phase to the inflationary phase of expansion through the point of emergence and subsequently to the phase of normal thermal expansion. We predict the spectral index parameter $n_s = 0.97467$ (scalar spectral index), $r =0.10133$ (tensor to scalar ratio) and $n_T = -0.01267$ (tensor spectral index) of the inflationary perturbation in emergent cosmology of nonlinear electrodynamics corresponding to $β$ = 0.1 and $B_0=10^{-10}$G.
