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arXiv · 2501.15476

Microscopic composite systems bound by strong gravity in extra dimensions as candidates for dark matter

V. V. Flambaum
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Abstract

In the Arkani-Hamed-Dimopoulos-Dvali (ADD) model with n extra compactified dimensions, the gravitational potential scales as 1/r^{n+1} and becomes significantly stronger at short distances. We investigate the possibility of forming small-sized composite systems of Standard Model particles bound by this potential. Such bound states, composed of quarks, neutrinos, axions, or other particles, exhibit a small cross-section-to-mass ratio, making them viable candidates for dark matter.

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V. V. Flambaum. 2025-01-26. Microscopic composite systems bound by strong gravity in extra dimensions as candidates for dark matter. https://doi.org/10.1103/vx1p-px7g

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