对称性破缺对宇宙学超视界守恒定理的意义
Implications of Broken Symmetry for Superhorizon Conservation Theorems in Cosmology
摘要：
暴胀产生超视界大小的扰动，这些扰动最终返回视界，被认为是形成宇宙中所有观测到的大尺度结构的种子。但是，暴胀预测只能与当今的观测相比较，如果像传统智慧所指示的那样，它们没有受到随后的超视界因果物理过程的污染，因此在干预期间不受未知的宇宙动力学的变迁的影响。在这里，我们证明，传统的智慧不一定是正确的，因此，宇宙学签名所产生的干预未知的非暴胀过程可能会混淆今天的观测数据的解释。
英文摘要：
Inflation produces super-horizon sized perturbations that ultimately return within the horizon and are thought to form the seeds of all observed large scale structure in the Universe. But inflationary predictions can only be compared with present day observations if, as conventional wisdom dictates, they remain unpolluted by subsequent sub-horizon causal physical processes and therefore remain immune from the vicissitudes of unknown universal dynamics in the intervening period. Here we demonstrate that conventional wisdom need not be correct, and as a result cosmological signatures arising from intervening unknown non-inflationary processes may confuse the interpretation of observational data today.
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