论文标题
宇宙数量计数的不变性下的变形
Invariance of cosmological number counts under disformal transformations
论文作者
论文摘要
我们研究与宇宙中大规模结构的测量相关的真正的物理可观察力是否与框架无关。特别是，我们研究了宇宙学可观察到的，例如星系数量计数在异构变化下是不变的。在先前的工作中，结果表明，这种框架不变性对于共形转换而言是正确的。在这项工作中，我们发现不变性也适用于简单的虚假转换情况。我们进一步简要评论了其他宇宙学观察力的不变性。
We investigate whether true physical observables associated with the measurements of large scale structure in the universe are frame-independent. In particular, we study if cosmological observables such as the galaxy number counts are invariant under the disformal transformations. In a previous work, it was shown that this frame-invariance holds true for the case of conformal transformations. In this work, we find that the invariance also holds true for the case of a simple disformal transformation. We further briefly comment on the disformal invariance of other cosmological observables.
