论宇宙的分形结构
On the Fractal Structure of the Universe
摘要：
尽管观测证据表明，宇宙在至少30 Mpc/h（可能高达100 Mpc/h）的距离上呈现出层次结构，但分形范式尚未被当今大多数宇宙学家所认可。在这项工作中，我们提供了一个简短的概述，最近的观测和理论进展有关的问题，全球宇宙结构，并提出了一些简单的计算，表明如何层次结构可能会传递到均匀的宇宙在非常大的规模。我们表明，分形结构可能来自适度不均匀的物质分布。我们解决了一些认识论问题有关的宇宙的一般前景在大。
英文摘要：
Despite the observational evidence that the Universe appears hierarchically structured up to a distance of at least 30 Mpc/h (and possibly up to 100 Mpc/h), the fractal paradigm has not yet been recognized by the majority of cosmologists today. In this work we provide a brief overview of the recent observational and theoretical advances relevant to the question of the global cosmic structure and present some simple calculations which indicate how the hierarchical structure may pass over to the homogeneous Universe at very large scale. We show that the fractal structure may be derived from the moderately nonuniform matter distribution. We address a number of epistemological questions relevant to a general outlook of the Cosmos at large too.
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