标题： 卡斯纳时代 显示英文标题

标题： Kasner Eons

摘要： 如Belinski、Khalatnikov和Lifshitz的经典工作所示，广义相对论中接近一般类空奇点的过程由一系列时代和时期组成，在这些时代和时期中度规是局部Kasner的，并通过短暂的过渡连接。 当包含量子引力效应时，我们认为会出现一种新的过渡类型，从而产生Kasner永恒期：每个能量尺度上都由出现的物理主导的时期。 我们评论了爱因斯坦永恒期可能结束的不同方式，并明确展示了由于高阶导数修正，在黑洞解内部会额外产生Kasner永恒期。 显示英文摘要

摘要： As shown in the classic work of Belinski, Khalatnikov and Lifshitz, the approach to a generic space-like singularity in general relativity consists of a sequence of eras and epochs in which the metric is locally Kasner, connected by brief transitions. When quantum gravity effects are included, we argue that a new type of transition arises, giving rise to Kasner eons: periods which are dominated by emergent physics at each energy scale. We comment on the different ways in which the Einsteinian eon may come to an end and show explicitly how additional Kasner eons arise in the interior of a black hole solution due to higher-derivative corrections.