Is double inflation likely?

Details Is double inflation likely? Is double inflation likely?

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..64.1080h&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 64, March 5, 1990, p. 1080-1083.

Mathematics

Logic

13

Cosmology, Universe, Dark Matter, Inflating, Plancks Constant

Scientific paper

The likelihood that double inflation might break scale invariance and help produce cosmological large-scale structure is examined. The cumulative effects of quantum fluctuations in an auxiliary field chi, during the evolution of the first inflation phi, can lead to a large dispersion in the probability distribution of chi when the auxiliary field becomes responsible for inflation. Hence, it may be very improbable that double inflation, and similar mechanisms that require tuning of scalar fields, produce breaks on scales of astrophysical interest.

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