论文标题
鹰辐射的观察：页面曲线和婴儿宇宙
Observations of Hawking radiation: the Page curve and baby universes
论文作者
论文摘要
我们以一种强调熵，洛伦兹 - 签名描述和渐近平坦的空间的方式来重新重新对黑洞信息进行重新洞察。借助复制虫孔，我们发现渐近观察者的实验与黑洞作为统一量子系统一致，而Bekenstein-Hawking公式给出的状态密度密度。但是，这是以与婴儿宇宙状态相关的超选择部门的代价。由Polchinski和Strominger在1994年研究的空间提供了一个简单的说明，说明了相关的概念和技术，我们认为它们是复制虫洞的自然后期推断。这项工作的目的是要具有独立性，尤其是尚未掌握上述思想表述的读者可以使用。
We reformulate recent insights into black hole information in a manner emphasizing operationally-defined notions of entropy, Lorentz-signature descriptions, and asymptotically flat spacetimes. With the help of replica wormholes, we find that experiments of asymptotic observers are consistent with black holes as unitary quantum systems, with density of states given by the Bekenstein-Hawking formula. However, this comes at the cost of superselection sectors associated with the state of baby universes. Spacetimes studied by Polchinski and Strominger in 1994 provide a simple illustration of the associated concepts and techniques, and we argue them to be a natural late-time extrapolation of replica wormholes. The work aims to be self-contained and, in particular, to be accessible to readers who have not yet mastered earlier formulations of the ideas above.
