标题： 高红移星系的性质 显示英文标题

标题： The properties of high redshift galaxies

摘要： 这项工作研究了再电离结束时早期宇宙中第一代星系与其宿主暗物质晕之间的联系。 我们的数值模型（已在先前的研究中提出）追踪了红移 $z =$ 4 - 8 的恒星形成历史、星系恒星质量函数、恒星质量与暗物质晕质量的分布以及其他高红移星系统计量。 所有这些预测目前都与观测结果和其他高分辨率宇宙学模拟一致。 本工作的关键发现是通过实施星系和超新星风以及原子和分子冷却过程，对宇宙恒星形成历史进行了稳健估计，并对星际介质进行了自洽的化学污染。 理论模型与再电离结束时星系光度函数的微弱端斜率 $\alpha =$ -2 相兼容。 显示英文摘要

摘要： This work studies the connection between the first galaxies and their hosting dark matter halos in the early Universe when Reionization is concluding. Our numerical models (already presented in an earlier study) trace the star formation history at $z =$ 4 - 8, the galaxy stellar mass function, the stellar-to-halo mass distribution, and other high redshift galaxies statistics. All these predictions are consistent with observations to date and other high-resolution cosmological simulations. A key finding of this work is the robust estimate for the cosmic star formation history (through the implementation of galaxy and supernova winds and atomic and molecular cooling processes) and self-consistent chemical pollution of the intergalactic medium. The theoretical models are compatible with a faint-end slope of the galaxy luminosity function of $\alpha =$ -2 at the end of the Reionization.