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One of the promising ways to determine the nature of dark matter is to study correlations in the distribution of galaxies. We analyze the influence of peculiarities in the inflaton potential on the spectrum of perturbations and on the galaxy correlation function in CDM models. We show that breaks in the inflaton potential create distinct features in the correlation function. It turns out that the appropriate choice of the potential parameters can change, and, in particular, increase the power of the spectrum in a given scale. We compare the galaxy correlation function in a CDM model with the nonstandard inflaton potential with the galaxy correlation function in a universe with baryonic dark matter, which also possesses peculiar features. We show that the galaxy correlation function in the CDM model considered here imitates quite well the galaxy correlation function in baryonic models.
Physical Review D – American Physical Society (APS)
Published: Aug 15, 1994
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