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Floating Dark Matter in Celestial Bodies

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arxiv 2209.09834 v2 pith:LPYKZH67 submitted 2022-09-20 hep-ph astro-ph.EPastro-ph.HE

classification hep-phastro-ph.EPastro-ph.HE
keywords celestialbodiesdarkdiffusiondistributionfloatingmattersufficient
verification ladder T0 review T1 audit T2 compute T3 formal
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Dark matter (DM) can be captured in celestial bodies after scattering and losing sufficient energy to become gravitationally bound. We derive a general framework that describes the current DM distribution inside celestial objects, which self-consistently includes the effects of concentration diffusion, thermal diffusion, gravity, and capture accumulation. For DM with sufficient interactions, we show that a significant DM population can thermalize and sit towards the celestial-body surface. This floating distribution allows for new phenomenology for DM searches in a wide range of celestial bodies, including the Sun, Earth, Jupiter, Brown Dwarfs, and Exoplanets.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Complementary Planetary Spectroscopy Probes of Dark Matter

    hep-ph 2025-08 conditional novelty 6.0 of 10

    Dark matter annihilation energy deposited in planetary atmospheres and interiors, compared against existing UV airglow and heat flow measurements, yields new sub-GeV scattering constraints and long-lived mediator reach.

  2. Probing Light Particles With Optically Trapped Sensors Through Nucleon Scattering

    hep-ph 2025-01 conditional novelty 6.0 of 10

    Optically trapped nanosphere arrays could detect nuclear recoils from solar ALPs, sub-keV pseudoscalar/vector dark matter, and Earth-bound dark matter, opening new tabletop search windows in previously unconstrained p...

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