Quintessential inflation models with a nonminimally coupled scalar field |
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| Authors: | A L Mkhitaryan A A Saharian |
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| Institution: | (1) Erevan State University, Armenia |
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| Abstract: | The evolution of a homogeneous, isotropic cosmological model driven by a nonminimally coupled scalar field is studied. The
potential for the quintessential inflation model proposed by Peebles and Vilenkin is selected as a scalar potential. Possible
scenarios for the cosmological dynamics are described in the conformal Einstein and Jordan representations. It is shown that,
unlike in models with a minimal scalar field, here a class of solutions exists for which the scalar field is fixed at finite
values during cosmological expansion.
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Translated from Astrofizika, Vol. 49, No. 3, pp. 487–498 (August 2006). |
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| Keywords: | Cosmology quintessence inflation |
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