论文标题
温暖暗物质的标量场理论
Scalar field theory for warm dark matter
论文作者
论文摘要
温暖的暗物质(WDM)可以通过简单且有用的模型来描述,称为减少相对论气体(RRG)。在这项工作中,在分析上构建了标量场作用最小和非最少耦合到重力,这等同于RRG,从某种意义上说,它们为度量标准的共形因子产生了相同的宇宙学解决方案。特别是,我们构建了标量理论,该理论对应于具有共形对称性的无旋转颗粒的超相关理想气体的模型。最后,还考虑了以运行宇宙常数(RCC)形式为我们的标量场模型补充标量模型的可能性。
The warm dark matter (WDM) can be described by simple and useful model called reduced relativistic gas (RRG). In this work, it is analytically constructed the scalar field actions minimally and non-minimally coupled to gravity, which are equivalent to RRG in the sense they produce the same cosmological solutions for the conformal factor of the metric. In particular, we construct the scalar theory which corresponds to the model of ultra-relativistic ideal gas of spinless particles possessing conformal symmetry. Finally, the possibility of supplementing our scalar field model with a dynamical dark energy in the form of a running cosmological constant (RCC) is also considered.