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arXiv 0811.3459hep-phgr-qchep-th
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平滑负张力膜

Smoothing out Negative Tension Brane

Kin-ya Oda, Takao Suyama, Naoto Yokoi

摘要:

我们提出了一个扩展的五维引力作用与外部源,以允许任意光滑的负张力膜的Randall-Sundrum模型。这种扩展的作用可以从具有耦合到重力的辅助四形式场的模型导出。我们指出我们的模型的进一步推广快子凝聚。在我们的模型中,一个可能的机制,放射稳定化进行了讨论。

英文摘要:

We propose an extension of the five dimensional gravitational action with an external source in order to allow arbitrary smoothing of the negative tension brane in the Randall-Sundrum model. This extended action can be derived from a model with an auxiliary four form field coupled to the gravity. We point out a further generalization of our model in relation to tachyon condensation. A possible mechanism for radion stabilization in our model is also discussed.

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