500. 观察者定义宇宙复杂度 episode artwork

EPISODE · Nov 30, 2025 · 16 MIN

500. 观察者定义宇宙复杂度

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这篇摘录自《Quanta Magazine》的文章讨论了理论物理学中一个关于量子引力和宇宙学的深刻悖论。物理学家们在使用黑洞研究中成功的全息原理和“岛屿公式”来检验封闭宇宙模型时发现,根据计算,一个类似于我们宇宙的封闭系统似乎只拥有一个可能的量子态,这意味着它不包含任何信息或复杂性。这一结果与我们所见的世界的丰富性和无限状态形成了鲜锐的矛盾,因为我们生存的宇宙显然极其复杂。研究人员提出,这种惊人的简单性源于初始计算试图寻求对宇宙的客观、独立于观测者的描述。理论家们展示了,一旦在模型中引入一个经典观测者,并允许其在宇宙中建立边界,所有必需的复杂性便会重新出现。如果这一理论成立,它将挑战物理学界长期以来对“无处不在的视角”的追求,表明对宇宙的描述可能本质上是依赖于观测者的。内容来源:https://www.quantamagazine.org/cosmic-paradox-reveals-the-awful-consequence-of-an-observer-free-universe-20251119/

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500. 观察者定义宇宙复杂度

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