Theoretical analysis reveals reduced observational conflicts in an open universe, suggesting low-density cold dark matter cosmologies match cosmological inflation.
The results of a computation of the spectrum of density fluctuations produced during inflation in an open universe are summarized and used to assess a cosmogony based on the cold dark matter (CDM) picture. We conclude that a low-density open model, in common with the flat model dominated by a cosmological constant, has the fewest apparent observational difficulties among the versions of the CDM cosmogony now under analysis.
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Ratra et al. (1994) studied this question.
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