Spectrum of Initial Perturbations in Open and Closed Inflationary Models

Details Spectrum of Initial Perturbations in Open and Closed Inflationary Models Spectrum of Initial Perturbations in Open and Closed Inflationary Models

1996-03-15

arxiv.org/abs/astro-ph/9603075v1

In: Cosmoparticle Physics. I. Proc. of the 1st Int. Conf. on Cosmoparticle Physics "Cosmion-94" (Moscow, 5-14 Dec. 1994), eds.

Astronomy and Astrophysics

Astrophysics

8 pages, latex, no figures

Scientific paper

Spectrum of initial scalar and tensor perturbations created during an inflationary stage producing a closed or open FRW universe now is discussed. In the closed case, the CMB temperature anisotropy ${\Delta T/T}$ generated by scalar perturbations is enhanced for low multipoles. It is argued that in the open case there is no suppression of low multipoles. A possibility of the existence of a preferred space direction in the open case is noted.

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