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首页> 外文期刊>Physics Letters, B. Nuclear Physics and High Energy Physics >Graviton propagators, brane bending and bending of light in theories with quasi-localized gravity
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Graviton propagators, brane bending and bending of light in theories with quasi-localized gravity

机译:重力传播器,准局部重力理论中的肋骨弯曲和光弯曲

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摘要

We derive the graviton propagator on the brane for theories with quasi-localized gravity. In these models the ordinary 4D graviton is replaced by a resonance in the spectrum of massive Kaluza-Klein modes, which can decay into the extra dimension. We find that the effects of the extra polarization in the massive graviton propagator is exactly cancelled by the bending of the brane due to the matter sources, up to small corrections proportional to the width of the resonance. Thus at intermediate scales the classic predictions of Einstein's gravity are reproduced in these models to arbitrary precision. (C) 2000 Elsevier Science B.V. All rights reserved. [References: 49]
机译:我们推导了在米糠上的引力子传播器,以获得具有准局部重力的理论。在这些模型中,普通的4D引力子被大规模Kaluza-Klein模式的频谱共振所取代,该共振可能衰减到额外的维度。我们发现,重质子传播子中额外极化的影响通过物质源引起的曲柄弯曲而完全抵消,直至与共振宽度成比例的小校正。因此,在中间尺度上,爱因斯坦引力的经典预测可以在这些模型中以任意精度再现。 (C)2000 Elsevier Science B.V.保留所有权利。 [参考:49]

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