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Signatures in the angular power spectrum of the cosmic microwave background anisotropies: topological defect scenarios versus inflationary models

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Sakellariadou, Mairi
Published in International Journal of Theoretical Physics. 1997, vol. 36, no. 11, p. 2503-2511
Abstract Acoustic peaks in the angular power spectrum of the cosmic microwave background anisotropies may allow us to distinguish among the two classes of models — topological defect scenarios and inflationary models — which attempt to explain the origin of structure formation in the universe. I briefly sketch the main differences between these two classes of models and illustrate the relevant analysis of induced density perturbations, in a model where density perturbations are generated by global scalar fields, within a universe dominated by cold dark matter.
Keywords Cold dark matterTopological defectDensity perturbationInflationary modelAngular scale
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SAKELLARIADOU, Mairi. Signatures in the angular power spectrum of the cosmic microwave background anisotropies: topological defect scenarios versus inflationary models. In: International Journal of Theoretical Physics, 1997, vol. 36, n° 11, p. 2503-2511. https://archive-ouverte.unige.ch/unige:109104

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Deposited on : 2018-10-12

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