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Stability of Randall-Sundrum brane-world and tachyonic scalar

Kazuo Ghoroku·Akihiro Nakamura
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Abstract

We address the behaviour of the scalar field with negative mass squared in the five dimensional AdS space where the Randall-Sundrum brane-world is embedded. We point out that the tachyonic scalar allowed in the bulk space destabilizes the embedded brane-world where the cosmological constant is zero. The resolution of this instability is discussed from the viewpoint of AdS/CFT correspondence.

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Kazuo Ghoroku, Akihiro Nakamura. 2001-07-27. Stability of Randall-Sundrum brane-world and tachyonic scalar. https://doi.org/10.1103/physrevd.64.084028

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