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arXiv · 0907.2495

Wrapped brane gas as a candidate for Dark Matter

Masakazu Sano·Hisao Suzuki
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Abstract

We consider brane gas models based on type II string theories and analyze the mass, the Ramond-Ramond charge and the charge on moduli fluctuations of branes wrapping over cycles of a compactified space in the four-dimensional Einstein frame. A six-dimensional torus and Calabi-Yau threefolds are considered for the Kaluza-Klein reduction. A large volume of the compactified space and a weak string coupling gives rise to point particles of the wrapped branes which have a light mass and a small charge of the Ramond-Ramond flux and of the moduli fluctuations, while the particles become very heavy in the string frame. We find that the masses and the charges satisfy the sea-saw like dual relations which become time-independent in the four-dimensional Einstein frame.

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Masakazu Sano, Hisao Suzuki. 2009-07-15. Wrapped brane gas as a candidate for Dark Matter. https://doi.org/10.1103/physrevd.81.024042

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