String effective gravitation and extended inflation

Details String effective gravitation and extended inflation String effective gravitation and extended inflation

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap.....38...55s&link_type=abstract

Astrophysics, Volume 38, Issue 1, pp.55-67

Astronomy and Astrophysics

Astrophysics

Scientific paper

The low-energy string gravitation is investigated for the case of reduction with a variable (in string units) inner space. A flat cosmological model of the corresponding four-dimensional theory is constructed. The model equations are analyzed qualitatively for a potential-dominated scalar field as the source. It is demonstrated that an extended inflation stage with one purely scalar dilaton field is possible here, in contrast with the case of a constant inner space. The pattern of cosmological evolution in various conformal representations is discussed.

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