Extended inflation, Brans-Dicke dilaton, and baryon asymmetry

Details Extended inflation, Brans-Dicke dilaton, and baryon asymmetry Extended inflation, Brans-Dicke dilaton, and baryon asymmetry

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..66.1559y&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 66, March 25, 1991, p. 1559-1562.

Physics

11

Baryons, Cosmology, Grand Unified Theory, Particle Production, Relativity, Gravitational Constant, Hubble Constant, Relativistic Theory, Solar System, Universe

Scientific paper

A new scenario for a successful inflationary-universe model is examined, with special emphasis on generation of the baryon asymmetry. The condensate of a massive Brans-Dicke field produces too much entropy when it decays, leading to dilution of the asymmetry. An efficient mechanism of baryon production at the time of condensate decay is suggested as a way out of this difficulty.

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