Dwarf galaxies united by dark bosons

Pozo, Alvaro; Broadhurst, Tom; Smoot, George F.; Chiueh, Tzihong; Luu, Hoang Nhan; Vogelsberger, Mark; Mocz, Philip

doi:10.1103/physrevd.109.083532

Phys. Rev. D

2024

DOI: 10.1103/physrevd.109.083532

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Dwarf galaxies united by dark bosons

Alvaro Pozo,

Tom Broadhurst,

George F. Smoot

et al.

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2024

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Cited by 4 publications

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Novel structures and collapse of solitons in nonminimally gravitating dark matter halos

Chen,

Zhang

2024

J. Cosmol. Astropart. Phys.

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Ultralight dark matter simulations predict condensates with short-range correlation, known as solitons or boson stars, at the centers of dark matter halos. This paper investigates the formation and collapse of dark matter solitons influenced by nonminimal gravitational effects, characterized by gradient-dependent self-interactions of dark matter and an additional source in Poisson's equation for gravity. Our simulations suggest that the initial evolution of dark matter resembles that without nonminimal gravitational effects. However, regions with negative potential curvature may develop, and solitons will collapse when their densities reach certain critical values for both positive and negative coupling constants. With strong nonminimal gravitational effects, we verify that linear density perturbations could grow on both large and small scales, potentially enhancing structure formation.

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Novel structures and collapse of solitons in nonminimally gravitating dark matter halos

Chen,

Zhang

2024

J. Cosmol. Astropart. Phys.

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Detection of a universal core-halo transition in dwarf galaxies as predicted by Bose-Einstein dark matter

Pozo,

Broadhurst,

de Martino

et al. 2024

Phys. Rev. D

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Galactic halos and rotating bosonic dark matter

Mourelle,

Adam

2024

Phys. Rev. D

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Dwarf galaxies united by dark bosons

Cited by 4 publications

References 101 publications

Novel structures and collapse of solitons in nonminimally gravitating dark matter halos

Novel structures and collapse of solitons in nonminimally gravitating dark matter halos

Detection of a universal core-halo transition in dwarf galaxies as predicted by Bose-Einstein dark matter

Galactic halos and rotating bosonic dark matter

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