This article is cited in 16 papers

Effective Lagrangians of the Randall–Sundrum Model

E. E. Boos^a, I. P. Volobuev^a, Yu. A. Kubyshin^a, M. N. Smolyakov<sup>b

a</sup> Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University
^b M. V. Lomonosov Moscow State University

Abstract: We construct the second variation Lagrangian for the Randall–Sundrum model with two branes, study its gauge invariance, and introduce and decouple the corresponding equations of motion. For the physical degrees of freedom in this model, we find the effective four-dimensional Lagrangians describing the massless graviton, massive gravitons, and the massless scalar radion. We show that the masses of these fields and their matter coupling constants are different on the different branes.

Received: 30.10.2001

DOI: 10.4213/tmf326

 English version: Theoretical and Mathematical Physics, 2002, 131:2, 629–640

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