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arXiv 0902.1243hep-th
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非对称弯曲膜模型、体光子和洛伦兹不变性

Asymmetrically Warped Brane Models, Bulk Photons and Lorentz Invariance

K. Farakos, N. E. Mavromatos, P. Pasipoularides

摘要:

我们简要回顾了我们最近在非对称扭曲膜模型上的工作[1],其中背景度量由不同的时间和空间扭曲因子表征。特别是,我们研究的情况下,大量的光子,我们表明,标准的洛伦兹不变色散关系是由非线性项,导致光的速度依赖于能量的校正。严格的限制,我们的模型的参数可以通过比较结果与最近的数据从高能伽马射线天体物理学,例如魔术望远镜。

英文摘要:

We present a brief review of our recent work [1] on asymmetrically warped brane models, where the background metric is characterized by different time and space warp factors. In particular we examine the case of bulk photons and we show that the standard Lorentz invariant dispersion relation is corrected by nonlinear terms which lead to an Energy-dependent speed of light. Stringent constraints on the parameters of our models can be set by comparing the results with recent data from high-energy Gamma-Ray Astrophysics, for instance the MAGIC Telescope.

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