米尔恩宇宙学的一种解读
An Interpretation of Milne Cosmology
摘要：
宇宙学和谐模型与所有可用的观测数据一致，包括遥远超新星的视距离和红移关系，但令人好奇的是，米尔恩宇宙学模型如何能够做出类似于这个首选的广义相对论模型的预测。米尔恩的宇宙学模型完全基于狭义相对论，并假定了一个完全不相容的红移机制;那么，预测怎么可能与观测数据甚至远程接近呢？这个难题通常通过将米尔恩宇宙学模型作为空宇宙的特殊情况纳入广义相对论宇宙学来解决。这个解释可能必须重新评估，因为时空由于暴胀而近似平坦，因此宇宙学事件在观测者闵可夫斯基时空上的投影必须总是与狭义相对论运动学一致，尽管基础广义相对论模型的特定动力学可以产生虚力，以保持观测框架和模型框架之间的一致性。
英文摘要：
The cosmological concordance model is consistent with all available observational data, including the apparent distance and redshift relationship for distant supernovae, but it is curious how the Milne cosmological model is able to make predictions that are similar to this preferred General Relativistic model. Milne's cosmological model is based solely on Special Relativity and presumes a completely incompatible redshift mechanism; how then can the predictions be even remotely close to observational data? The puzzle is usually resolved by subsuming the Milne Cosmological model into General Relativistic cosmology as the special case of an empty Universe. This explanation may have to be reassessed with the finding that spacetime is approximately flat because of inflation, whereupon the projection of cosmological events onto the observer's Minkowski spacetime must always be kinematically consistent with Special Relativity, although the specific dynamics of the underlying General Relativistic model can give rise to virtual forces in order to maintain consistency between the observation and model frames.
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