标题： 黑洞信息悖论的一个可能的解决方法 显示英文标题

标题： A Possible Resolution of the Black Hole Information Puzzle

摘要： 在假设黑洞蒸发过程以黑洞内部衰变为婴儿宇宙而告终的情况下，考虑了信息丢失的问题。 我们证明，这类理论可以分解为由第三量子化的婴儿宇宙场算符的本征值标记的超选择扇区，并且在每个超选择扇区内散射是幺正的。 这一结果关键依赖于衰变时间的量子力学可变性。 进一步论证表明，在黑洞静止参照系中的衰变率必然与 $e^{-S_{tot}}$ 成正比，其中 $S_{tot}$ 是蒸发过程中产生的总熵，这意味着存在一个非常长寿的残余物。 显示英文摘要

摘要： The problem of information loss is considered under the assumption that the process of black hole evaporation terminates in the decay of the black hole interior into a baby universe. We show that such theories can be decomposed into superselection sectors labeled by eigenvalues of the third-quantized baby universe field operator, and that scattering is unitary within each superselection sector. This result relies crucially on the quantum-mechanical variability of the decay time. It is further argued that the decay rate in the black hole rest frame is necessarily proportional to $e^{-S_{tot}}$, where $S_{tot}$ is the total entropy produced during the evaporation process, entailing a very long-lived remnant.