Volume 18, Issue 1 ((Iranian Journal of Physics Research,Spring 2018)                   IJPR 2018, 18(1): 163-166 | Back to browse issues page


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Banijamali A, Roohollahi R, vaez M. Phantom divide crossing with non-minimal kinetic and gauss-bonnet couplings . IJPR. 2018; 18 (1) :163-166
URL: http://ijpr.iut.ac.ir/article-1-2348-en.html
Department of Physics, Babol University of Technology, Babol , m.vaez68@gmail.com
Abstract:   (2420 Views)
In this paper we study a dark energy model in which tachyon scalar field non-minimally coupled with kinetic energy and Gauss-Bonnet invariant. Energy density рø, pressure рø and scalar field equation of motion have been calculated and then equation of state parameter has been extracted. We have investigated the conditions required for ω=-1 crossing in such a model. It is shown that phantom divide crossing can be realized in our model.
 
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Type of Study: Research | Subject: Gravitation and Cosmology

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