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arXiv · 1409.1942

Higher-Spin Modes in a Domain-Wall Universe

Manuela Kulaxizi·Rakibur Rahman
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Abstract

We find a consistent set of equations of motion and constraints for massive higher-spin fluctuations in a gravitational background, required of certain characteristic properties but more general than constant curvature space. Of particular interest among such geometries is a thick domain wall--a smooth version of the Randall-Sundrum metric. Apart from the graviton zero mode, the brane accommodates quasi-bound massive states of higher spin contingent on the bulk mass. We estimate the mass and lifetime of these higher-spin resonances, which may appear as metastable dark matter in a braneworld universe.

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Manuela Kulaxizi, Rakibur Rahman. 2014-10-03. Higher-Spin Modes in a Domain-Wall Universe. https://doi.org/10.1007/jhep10(2014)193

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