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arXiv 0906.2898hep-thgr-qchep-phquant-ph
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膜上的卡西米尔效应

Casimir Effect on the brane

Antonino Flachi, Takahiro Tanaka

摘要:

我们考虑了位于膜上的两个平行平板之间的Casimir效应。为了正确地计算由于任何高维场对Casimir能量的贡献,有必要考虑KK模式的局部化性质。当谱中没有无质量模出现时,对Casimir能量的修正被指数抑制。当光谱中存在无质量模式时,对卡西米尔能量的修正原则上是相当大的。在这里,我们说明了一种新的方法来计算修正的两个平行板之间的卡西米尔能量,本地化的膜。卡西米尔能量受到两个因素的抑制:在$\varepsilon$的最低阶,修正完全来自大质量模,结果是指数抑制;在$\varepsilon$的次至前导阶修正,而是遵循幂律抑制,由于小的波函数重叠的零模与物质限制在可见膜上。对卡西米尔力实验可能产生的新物理学的限制也作了一般性的评论。

英文摘要:

We consider the Casimir effect between two parallel plates localized on a brane. In order to properly compute the contribution to the Casimir energy due to any higher dimensional field, it is necessary to take into account the localization properties of the KK modes. When no massless mode appears in the spectrum, the correction to the Casimir energy is exponentially suppressed. When a massless mode is present in the spectrum, the correction to the Casimir energy can be, in principle, sizeable. Here we illustrate a new method to compute the correction to the Casimir energy between two parallel plates, localized on a brane. The Casimir energy is suppressed by two factors: at lowest order in $\varepsilon$, the correction comes entirely from the massive mode and turns out to be exponentially suppressed; the next-to-leading order correction in $\varepsilon$ follows, instead, a power-law suppression due to the small wave function overlap of the zero-mode with matter confined on the visible brane. Generic comments on the constraints on new physics that may arise from Casimir force experiments are also made.

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