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arXiv 2610.08596hep-thgr-qc

引力路径积分中的连通几何与归一化无边界概率

Connected Geometries in Gravitational Path Integrals, and Normalized No-Boundary Probabilities

  • Max Planck Institute for Gravitational Physics (Albert Einstein Institute)(马克斯·普朗克引力物理研究所(爱因斯坦研究所))

机构由 AI 辅助整理,请以论文原文为准。

Jean-Luc Lehners

AI总结:

本文提出将引力路径积分限制为连通且允许的几何构型,以缓解波函数归一化问题,并给出非平凡的无边界概率,同时强调边界条件与积分轮廓的影响。

AI中文摘要:

我们认为,通过将路径积分限制为对连通且允许的几何构型求和,可以显著缓解与引力波函数归一化相关的一些令人困惑的特征。该方案应用于经典跃迁时给出了合理的结果,并提供了非平凡的无边界概率,符合早前的预期。我们强调了边界条件和积分轮廓对这些问题的额外影响。

英文摘要:

We argue that some of the puzzling features associated with the normalization of gravitational wave functions can be substantially alleviated by restricting the path integral to a sum over connected, allowable geometries. This prescription gives sensible results when applied to classical transitions and it provides non-trivial no-boundary probabilities, in line with old expectations. We highlight the additional impact of both boundary conditions and integration contours on these issues.

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