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arXiv 1209.5974hep-phhep-th
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扩维膜上的Kaluza-Klein质量谱

Kaluza-Klein mass spectra on extended dimensional branes

Soon-Tae Hong

摘要:

我们研究了在标准三膜上分别附加一个圆和一个球而构成的四膜和五膜上的层次问题。在这些扩展维膜上的激发谱中的有效质量意味着与紧凑的圆形和球形流形的量子化相关的有趣的特性。特别是,它们的最轻的有效质量被示出抑制指数与各自的普朗克质量,类似于三膜的情况。我们还研究了这些扩展维膜的有效耦合。

英文摘要:

We study the hierarchy problem on the four- and five-branes which are constructed by attaching a circle and a sphere to the standard three-brane, respectively. The effective masses in their excited spectra on these extended dimensional branes imply intriguing characteristics associated with the quantization of the compact circular and spherical manifolds. In particular, their lightest effective masses are shown to suppress exponentially with respective to the Planck mass, similar to the three-brane case. We also investigate the effective couplings in these extended dimensional branes.

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