Cosmological perturbations in a universe dominated by a coherent scalar field
- 15 July 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 32 (2) , 501-503
- https://doi.org/10.1103/physrevd.32.501
Abstract
Energy-density perturbations in a universe dominated by coherent oscillations of a scalar field evolve as in a pressureless fluid. The analysis applies in particular to axion models. Axions are thus a candidate for cold dark matter.Keywords
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