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- W2913841818 abstract "In this paper we construct a bounce model that mimics the Starobinsky inflationary model. Our construction relies on Wands' duality, which shows that the Mukhanov-Sasaki equation has a symmetry transformation by changing appropriately its time-dependent mass term. One of the advantages of this constructive method is that one can control every contribution to the primordial power spectrum and check how far we can emulate a given primordial model with a different scenario. In particular, we show that mapping the Starobinsky inflation into a quasi-matter bounce gives the correct relation between the scalar spectral index $n_s-1$ and the tensor-to-scalar ratio $r$." @default.
- W2913841818 created "2019-02-21" @default.
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- W2913841818 date "2019-05-13" @default.
- W2913841818 modified "2023-09-24" @default.
- W2913841818 title "Quasimatter bounce equivalent to Starobinsky inflation" @default.
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- W2913841818 doi "https://doi.org/10.1103/physrevd.99.103515" @default.
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