曲线空间中路径积分扰动展开式的坐标不变性证明的分布积上的积分
Integrals over Products of Distributions from Manifest Coordinate Invariance of Perturbation Expansions of Path Integrals in Curved Space
摘要：
我们表明，明确的坐标不变性的扰动定义的量子力学路径积分在弯曲的空间的要求，导致扩展的分布理论，通过指定独特的规则，积分产品的分布。这些规则是使用运动方程和部分积分推导出来的，同时保持跟踪来自1 - 2维中所有奇异积分的唯一定义的某些最小特征。我们的规则保证与1- 10维中更繁琐的计算完全一致，其中极限为0-> 0。在我们以前的论文中，我们解决了相同的问题，为一个无限的时间间隔或零温度，我们认为在这里涉及的有限时间（或非零温度）振幅的情况下。
英文摘要：
We show that the requirement of manifest coordinate invariance of perturbatively defined quantum-mechanical path integrals in curved space leads to an extension of the theory of distributions by specifying unique rules for integrating products of distributions. The rules are derived using equations of motion and partial integration, while keeping track of certain minimal features stemming from the unique definition of all singular integrals in 1 - epsilon dimensions. Our rules guarantee complete agreement with much more cumbersome calculations in 1- epsilon dimensions where the limit epsilon --> 0 is taken at the end. In contrast to our previous papers where we solved the same problem for an infinite time interval or zero temperature, we consider here the more involved case of finite-time (or non-zero temperature) amplitudes.
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