宇宙真的如此简单吗？
Is the Universe Really So Simple?
摘要：
Tegmark（1996）提出的一个有趣的观点，即宇宙--与我们所有的经验和期望相反--由于内部高度对称性而只包含少量的信息。它表明，有几个物理过程，特别是霍金蒸发的黑洞和非零消相干时间效应所描述的Plaga，以及思想实验的Deutsch和Tegmark自己，这可以被解释为反对低信息宇宙假说的论据。此外，这一假说还包含了一种极端形式的物理还原论，因此任何可能的反对这种还原论的论证都将对它不利。简要讨论了量子力学和宇宙学的一些分支。
英文摘要：
The intriguing suggestion of Tegmark (1996) that the universe--contrary to all our experiences and expectations--contains only a small amount of information due to an extremely high degree of internal symmetry is critically examined. It is shown that there are several physical processes, notably Hawking evaporation of black holes and non-zero decoherence time effects described by Plaga, as well as thought experiments of Deutsch and Tegmark himself, which can be construed as arguments against the low-information universe hypothesis. In addition, an extreme form of physical reductionism is entailed by this hypothesis, and therefore any possible argumentation against such reductionism would count against it either. Some ramifications for both quantum mechanics and cosmology are briefly discussed.
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