Resonance in Asymmetric Warped Geometry

Abstract

We study the spectrum of an asymmetric warped braneworld model with different AdS curvatures on either side of the brane. In addition to the RS-like modes we find a resonance state. Its mass is proportional to the geometric mean of the two AdS curvature scales, while the difference between them determines the strength of the resonance peak. There is a complementarity between the RS zero-mode and the resonance: making the asymmetry stronger weakens the zero-mode but strengthens the resonance, and vice versa. We calculate numerically the braneworld gravitational potential and discuss the holographic correspondence for the asymmetric model.

17 pages, 9 figures; v2 references with comments added; v3 two references added, JHEP version

References in corpus (2)

• Ringing the Randall-Sundrum braneworld: metastable gravity wave bound states
• Close to the edge: hierarchy in a double braneworld

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