论文标题
弹跳宇宙中的原始磁化
Primordial Magnetogenesis in a Bouncing Universe
论文作者
论文摘要
我们研究了原始磁化和电磁场通过量子反弹的演变，该模型从仅存在尘埃的收缩阶段开始，该模型从仅存在灰尘，电磁场位于绝热量子真空状态。通过在形式的曲率和电磁之间包含$ rf_ {μν} f^{μν} $之间的耦合，我们在1 mega-parsec（MPC）的当前观测限制中发现了可接受的磁场种子，并且具有磁力谱的磁力谱，并随着磁力谱的范围而随着频谱的频谱而演变为具有频谱index Index $ n_b = 6 $ n_b = 6 $ n_b = 6 $ n_b = 6 $ n_b = 6 $ n_b = 6 $ n_b = 6 $ n_b = 6 $ n_b = 6。还表明，在审查下，电磁反应并不是模型中的问题。
We investigate primordial magnetogenesis and the evolution of the electromagnetic field through a quantum bounce, in a model that starts in the far past from a contracting phase where only dust is present and the electromagnetic field is in the adiabatic quantum vacuum state. By including a coupling between curvature and electromagnetism of the form $RF_{μν}F^{μν}$, we find acceptable magnetic field seeds within the current observational constraints at 1 mega-parsec (Mpc), and that the magnetic power spectrum evolves as a power-law with spectral index $n_B=6$. It is also shown that the electromagnetic backreaction is not an issue in the model under scrutiny.
