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Graviton oscillations in the two-brane world | | Andrei Barvinsky
; Alexander Kamenshchik
; Claus Kiefer
; Andreas Rathke
; | | Date: |
2 Dec 2002 | | Subject: | hep-th gr-qc | | Abstract: | We study the braneworld effective action in the two-brane Randall-Sundrum model. In the framework of this essentially-nonlocal action we reveal the origin of an infinite sequence of gravitational wave modes -- the usual massless one as well as the tower of Kaluza-Klein massive ones. Mixing of the modes, which parametrically depends on the background value of the modulus of the extra dimension, can be interpreted as radion-induced gravitational-wave oscillations, a classical analogue to meson and neutrino oscillations. We show that these oscillations arising in M-theory-inspired braneworld setups could lead to effects detectable by gravitational-wave interferometers. | | Source: | arXiv, hep-th/0212015 | | Services: | Forum | Review | PDF | Favorites | |
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