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Wave function of the radion in a brane world

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arxiv hep-th/9912160 v2 pith:3SJWLIJR submitted 1999-12-17 hep-th gr-qc

Christos Charmousis , Ruth Gregory , Valery A. Rubakov This is my paper · ORCID
classification hep-thgr-qc
keywords radionmodelbranescalculatematteragreementalmostanalysis
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We calculate the linearized metric perturbation corresponding to a massless four-dimensional scalar field, the radion, in a five-dimensional two-brane model of Randall and Sundrum. In this way we obtain relative strengths of the radion couplings to matter residing on each of the branes. The results are in agreement with the analysis of Garriga and Tanaka of gravitational and Brans--Dicke forces between matter on the branes. We also introduce a model with infinite fifth dimension and ``almost'' confined graviton, and calculate the radion properties in that model.

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  1. Radion Portal Freeze-Out Dark-Matter

    hep-ph 2025-07 conditional novelty 6.0 of 10

    A radion from a stabilized warped extra dimension can explain dark matter through resonant annihilation, with indirect detection excluding 5 to 80 GeV masses.

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