A search for ultralight axions using precision cosmological data

By R. Hložek, D. Grin, D. Marsh, Pedro G. Ferreira. 2014

333 citations recorded by the source corpus.

Ultra-light axions (ULAs) with masses in the range 10^{-33} eV 10^{-24} eV, ULAs are indistinguishable from standard cold dark matter on the length scales probed, and are thus allowed by these data. For m < 10^{-32} eV, ULAs are allowed to compose a significant fraction of the dark energy.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/33019ff518e2523d6190ed4ecd46eaef33700afd

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Citations in the corpus

Using the Full Power of the Cosmic Microwave Background to Probe Axion Dark Matter (2017, methodology): “These initial conditions were used in Hložek et al. (2015) to obtain modified adiabatic initial conditions in the presence of ULAs, and then applied to generate power spectra and parameter-space constraints to ULAs.”
The Simons Observatory: science goals and forecasts (2018, methodology): “Axions affect the primordial power spectrum by smoothing out structures on small scales through their scale-dependent sound speed (Marsh and Ferreira 2010; Hložek et al. 2015).”
Search for Axionlike Dark Matter through Nuclear Spin Precession in Electric and Magnetic Fields (2017, background): “However, axions with smaller masses can constitute a subdominant fraction of DM [28].”
Constraining the mass of light bosonic dark matter using SDSS Lyman-α forest (2017, unknown): “10−25 eV (Hlozek et al. 2015).”
CONTRASTING GALAXY FORMATION FROM QUANTUM WAVE DARK MATTER, ψDM, WITH ΛCDM, USING PLANCK AND HUBBLE DATA (2015, background): “Various observable properties of this model have been proposed (Amendola & Barbieri 2006; Arvanitaki & Dubovsky 2011; Schive et al. 2014a, 2014b; Khmelnitsky & Rubakov 2014; Hlozek et al. 2015; Van Tilburg et al. 2015; Stadnik & Flambaum 2015).”
New experimental approaches in the search for axion-like particles (2018, background): “Searches for decaying DM axions in a few sample galaxies have set strong constraints in the eV-mass range [229].”
Ultralight scalars as cosmological dark matter (2016, background): “Constraints on FDM from the cosmic microwave background are described in [18].”
Axion dark matter, solitons and the cusp–core problem (2015, background): “Both follow from the scale symmetry and dimensional analysis, and thus their interpretation as related to the de Broglie scale remains the same (see also Hlozek et al. 2015).”