论文标题
两个组分超轻轴突宇宙中扰动和功率谱的演变
Evolution of perturbation and power spectrum in a two-component ultralight axionic universe
论文作者
论文摘要
研究了两个组分超轻轴突宇宙中宇宙扰动的演变。我们介绍了多组分宇宙中扰动的第一个光谱计算。一个由轻度极端轴和游离巨型颗粒组成的特定情况为形成非常高的巨大星系的形成提供了可能，通常需要这些星系来容纳大量的早期类星体。我们的计算保留了单个轴成组件的扰动速度的信息，为将来的轴突暗物质模拟设置初始条件开放了新的途径。
The evolution of cosmic perturbations in a two-component ultralight axionic universe is investigated. We present the first spectral computation of perturbations in multi-component universes. A particular case composed of light extreme axions and free massive particles offers a possibility for the formation of very high-redshift massive galaxies, which are typically required to host massive early quasars. Our computation retains the information of perturbed velocities for individual axion components, opening a new avenue for setting up initial conditions for future axion dark matter simulations.
