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Gravitational waves in warped compactifications

Authors
  • Andriot, David
  • Tsimpis, Dimitrios
Publication Date
Nov 27, 2019
Source
HAL-IN2P3
Keywords
Language
English
License
Unknown
External links

Abstract

We study gravitational waves propagating on a warped Minkowski space-time with D-4 compact extra dimensions. While Kaluza-Klein scales are typically too high for any current detection, we analyse how the warp factor changes the Kaluza-Klein spectrum of gravitational waves. To that end we provide a complete and explicit expression for the warp factor on a d-dimensional torus. This expression differs from that of braneworld models and should find further uses in string compactifications. We then evaluate the Kaluza-Klein spectrum of gravitational waves. Our preliminary numerical results indicate not only a deviation from the standard toroidal spectrum, but also that the first masses get lowered due to the warp factor.

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