Universal Journal of Physics and Application Vol. 7(4), pp. 408 - 413
DOI: 10.13189/ujpa.2013.010406
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On Exact Cosmological Models of a Scalar Field in Lyra Geometry


Victor Shchigolev *
Department of Theoretical Physics, Ulyanovsk State University, 42 L. Tolstoy Str., Ulyanovsk 432000, Russia

ABSTRACT

Exact cosmological models for a scalar field in Lyra geometry are studied in the presence of a time-varying effective cosmological term originated from the specific interaction of an auxiliary Λ - term with the displacement vector. In this case, some exact solutions for the model equations are obtained with the help of the so-called superpotential method (or the first-order formalism). Some possible ways of further developing for such a model are offered.

KEYWORDS
Cosmological Models, Scalar Field, Cosmic Evolution, Exact Solutions, Superpotential Function

Cite this paper
Victor Shchigolev . "On Exact Cosmological Models of a Scalar Field in Lyra Geometry." Universal Journal of Physics and Application 7.4 (2013) 408 - 413. doi: 10.13189/ujpa.2013.010406.