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Bose-Einstein Condensation of Dark Matter Axions
Open accessAbstract
We show that cold dark matter axions thermalize and form a Bose-Einstein condensate (BEC). We obtain the axion state in a homogeneous and isotropic universe, and derive the equations governing small axion perturbations. Because they form a BEC, axions differ from ordinary cold dark matter in the nonlinear regime of structure formation and upon entering the horizon. Axion BEC provides a mechanism for the production of net overall rotation in dark matter halos, and for the alignment of cosmic microwave anisotropy multipoles.
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Citations
Cited by
Cosmic structure as the quantum interference of a coherent dark wave
Schive, H.-Y., Chiueh, T., & Broadhurst, T. (2014) · Nature Physics · doi:10.1038/nphys2996 · Cited by 930
Cosmology and Fundamental Physics with the Euclid Satellite
The Euclid Theory Working Group, Amendola, L., Appleby, S., Bacon, D., Baker, T., Baldi, M., Bartolo, N., Blanchard, A., Bonvin, C., Borgani, S., et al. (2013) · Living Reviews in Relativity · doi:10.12942/lrr-2013-6 · Cited by 899
Understanding the Core-Halo Relation of Quantum Wave Dark Matter from 3D Simulations
Schive, H.-Y., Liao, M.-H., Woo, T.-P., Wong, S.-K., Chiueh, T., Broadhurst, T., & Hwang, W.-Y. P. (2014) · Physical Review Letters · doi:10.1103/physrevlett.113.261302 · Cited by 531
Hui, L. (2021) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-120920-010024 · Cited by 373
Wantz, O., & Shellard, E. P. S. (2010) · Physical Review D · doi:10.1103/physrevd.82.123508 · Cited by 310
Metadata
- Authors
- Sikivie, P., & Yang, Q.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2009-09-09
- Volume
- 103
- Issue
- 11
- Pages
- 111301-111301
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2070455023
- Cited by
- 475
- References
- 0
- FWCI
- 9.89
- Type
- journal article
- Language
- en
- Open access
- green
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