Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..65..141b&link_type=abstract
Physical Review Letters (ISSN 0031-9007), vol. 65, July 9, 1990, p. 141-144. Previously announced in STAR as N90-22506.
Other
68
Bubbles, Cosmology, Mathematical Models, Scalars, Stellar Evolution, Chaos, Einstein Equations, String Theory, Universe
Scientific paper
The cosmology resulting from two coupled scalar fields was studied, one which is either a new inflation or chaotic type inflation, and the other which has an exponentially decaying potential. Such a potential may appear in the conformally transformed frame of generalized Einstein theories like the Jordan-Brans-Dicke theory. The constraints necessary for successful inflation are examined. Conventional GUT models such as SU(5) were found to be compatible with new inflation, while restrictions on the self-coupling constant are significantly loosened for chaotic inflation.
Berkin Andrew L.
Maeda Kei--ichi
Yokoyama Jun'ichi
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