COMPLEX SCALAR FIELD DARK MATTER ON GALACTIC SCALES
Copyright policy )COMPLEX SCALAR FIELD DARK MATTER ON GALACTIC SCALES
The nature of the cosmological dark matter (DM) remains elusive. Recent studies have advocated the possibility that DM could be composed of ultra-light, self-interacting bosons, forming a Bose–Einstein condensate (BEC) in the very early Universe. We consider models which are charged under a global U(1)-symmetry such that the DM number is conserved. It can then be described as a classical complex scalar field which evolves in an expanding Universe. We present a brief review on the bounds on the model parameters from cosmological and galactic observations, along with the properties of galactic halos which result from such a DM candidate.
- The University of Texas at Austin United States
- University of Michigan–Ann Arbor United States
- University of Michigan–Flint United States
- University of Michigan United States
scalar-field dark matter, Cosmology and Nongalactic Astrophysics (astro-ph.CO), galactic halos, FOS: Physical sciences, Equations of motion in general relativity and gravitational theory, Methods of quantum field theory in general relativity and gravitational theory, General Relativity and Quantum Cosmology (gr-qc), Astrophysics - Astrophysics of Galaxies, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Research exposition (monographs, survey articles) pertaining to statistical mechanics, Astrophysics of Galaxies (astro-ph.GA), Other elementary particle theory in quantum theory, cosmology, Relativistic cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
scalar-field dark matter, Cosmology and Nongalactic Astrophysics (astro-ph.CO), galactic halos, FOS: Physical sciences, Equations of motion in general relativity and gravitational theory, Methods of quantum field theory in general relativity and gravitational theory, General Relativity and Quantum Cosmology (gr-qc), Astrophysics - Astrophysics of Galaxies, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Research exposition (monographs, survey articles) pertaining to statistical mechanics, Astrophysics of Galaxies (astro-ph.GA), Other elementary particle theory in quantum theory, cosmology, Relativistic cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
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