论文标题
从溶液到哈勃张力
Degenerate Sub-keV Fermion Dark Matter from a Solution to the Hubble Tension
论文作者
论文摘要
我们提出了一个黑暗扇区模型，该模型既解决哈勃张力和核心CUSP问题。该模型基于一个隐藏的Abelian仪表对称群，该量子群带有某些手性取消条件所需的手性费米，为衰减的费米昂暗物质产生了候选者，以解决哈勃张力的解决方案。此外，亚基质量制度和黑暗部门的热历史有助于暗物质候选者解决标准$λ$ CDM宇宙学中发生的核心-CUSP问题。
We present a dark sector model addressing both the Hubble tension and the core-cusp problem. The model is based on a hidden Abelian gauge symmetry group with some chiral fermions required by the anomaly cancellation conditions, producing a candidate for the decaying fermion dark matter as a solution to the Hubble tension. Moreover, the sub-keV mass regime and the thermal history of the dark sector help the dark matter candidate resolve the core-cusp problem occurring in the standard $Λ$CDM cosmology.
