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Dark matter droplets

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arxiv 2407.13243 v2 pith:54LAHXVM submitted 2024-07-18 astro-ph.CO cond-mat.quant-gashep-th

classification astro-ph.COcond-mat.quant-gashep-th
keywords modeldarkdropletsformationhighmatterstructureaffect
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A new model for dark matter is put forward which consists of uniform droplets of Bose Einstein condensate. In this model, structure forms rapidly, shortly after the hot big bang plasma de-ionises. The model also produces modifications to the expansion rate before droplet formation that affect the measurement of cosmological parameters from Cosmic Microwave Background data. The model could contribute to explaining why observations at high redshift see anomalously high structure formation and predict low values for the Hubble constant.

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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. Axially confined binary quantum droplets: ground states and central vortices

    cond-mat.quant-gas 2025-07 conditional novelty 6.0 of 10

    Axial confinement lowers the critical atom number for binary quantum droplet formation and lowers the rotation frequency at which a central vortex appears.

  2. Universal scaling law for quantum droplet formation

    cond-mat.quant-gas 2025-04 conditional novelty 6.0 of 10

    In a driven ultracold gas, quantum droplet radius and spacing are predicted and numerically supported to shrink as the ramp rate v to the power -1/3.

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