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arXiv 0710.4243gr-qc
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Heun和Mathieu函数作为Dirac方程的解

Heun and Mathieu functions as solutions of the Dirac equation

T. Birkandan, M. Hortacsu

摘要:

我们给出的例子中Heun函数存在的波动方程的解决方案中遇到的广义相对论。虽然在努特库螺旋面度规的背景下编写的狄拉克方程在四维时空中产生马蒂厄函数作为其解,但在五维时空中的平凡推广导致双重合流Heun函数。我们通过一些变换将这个解简化为Mathieu函数。我们必须应用Atiyah-Patodi-Singer谱边界条件到这个系统,因为度规在原点有一个奇点。

英文摘要:

We give examples of where the Heun function exists as solutions of wave equations encountered in general relativity. While the Dirac equation written in the background of Nutku helicoid metric yields Mathieu functions as its solutions in four spacetime dimensions, the trivial generalization to five dimensions results in the double confluent Heun function. We reduce this solution to the Mathieu function with some transformations. We must apply Atiyah-Patodi-Singer spectral boundary conditions to this system since the metric has a singularity at the origin.

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