Abstract
Effects caused by an additional massive scalar field interacting with an inflaton field are analyzed. Inflation is shown to have two stages, the first of which is dominant and characterized by ultraslow dynamics of the inflaton field. Constraints on the model parameters are obtained.
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 74, No. 5, 2001, pp. 275–278.
Original Russian Text Copyright © 2001 by Rubin
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Rubin, S.G. Effect of massive fields on inflation. Jetp Lett. 74, 247–250 (2001). https://doi.org/10.1134/1.1417158
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DOI: https://doi.org/10.1134/1.1417158