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Paper detail

Observational constraints in scalar tensor theory with tachyonic potential

We study the dynamics of the scalar tensor cosmological model in the presence of tachyon field. In an alternative approach, in two exponential and power law form of the scalar field functions in the model, field equations are solved by simultaneously best fitting the model parameters with the most recent observational data. This approach gives us an observationally verified interpretation of the dynamics of the universe. We then discuss the best fitted of equation of state parameter, the statefinder parameters and the reconstructed scalar field in the model.

preprint2011arXivOpen access
H. FarajollahiA. SalehiA. Shahabi
gr-qc
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H. FarajollahiA. SalehiA. Shahabi

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