EPJ Web Conf.
Volume 222, 2019The XXIV International Workshop “High Energy Physics and Quantum Field Theory” (QFTHEP 2019)
|Number of page(s)||8|
|Section||Physics Beyond the SM|
|Published online||19 November 2019|
Nonlinear interactions of the radion field
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University Leninskie Gory,
Published online: 19 November 2019
We study the Randall-Sundrum model with two branes. The Standard Model fields are localized on the brane with a negative tension, the gravitational field and scalar Goldberg-Wise field propagate in the multidimensional bulk. For this model we construct the Lagrangian for the scalar fluctuations of the gravitational and scalar fields above a background solution. We obtain an effective four-dimensional Lagrangian, which contains nonlinear self-interaction terms of the radion field up to the fourth order and nonlinear interactions of the radion and the Standard Model fields.
© The Authors, published by EDP Sciences, 2019
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