Cosmic microwave background anisotropies from plausible double inflation

Details Cosmic microwave background anisotropies from plausible double inflation Cosmic microwave background anisotropies from plausible double inflation

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.3318f&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 8, 15 October 1992, pp.3318-3321

Physics

2

Background Radiations, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We study the anisotropies in the cosmic microwave background radiation (CMBR) arising in certain inflationary models containing two scalar fields: one inflaton and one dilaton. New features of the power spectrum can significantly alter the angular correlation function of CMBR anisotropies. In particular, a non-scale-invariant spectrum on the horizon or/and larger amplitudes on large scales can reduce small-scale CMBR anisotropies significantly, while maintaining observational bounds.

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