Effective Lagrangians for physical degrees of freedom in the Randall-Sundrum model

Abstract

We derive the second variation Lagrangian of the Randall-Sundrum model with two branes, study its gauge invariance and diagonalize it in the unitary gauge. We also show that the effective four-dimensional theory looks different on different branes and calculate the observable mass spectra and the couplings of the physical degrees of freedom of 5-dimensional gravity to matter.

22 pages, LaTeX, typos corrected

References in corpus (1)

• On a Covariant Determination of Mass Scales in Warped Backgrounds

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