Power spectrum for perturbations in an inflationary model for a closed universe
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DOI: 10.1007/s10714-022-02918-3
Abstract: We derive the power spectrum of primordial quantum fluctuations in an inflationary universe for curvature parameter $${\mathcal {K}}=1$$ K = 1 . This is achieved through a Born–Oppenheimer type of approximation scheme from the Wheeler–DeWitt… read more here.
Keywords: power spectrum; model closed; spectrum perturbations; model ... See more keywords