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Advances in High Energy PhysicsVolume 2012 2012, Article ID 357802, 12 pages

Research ArticleMathematics and Natural Sciences Department, Prince Mohammad Bin Fahd University, Al-Khobar 31952, Saudi Arabia

Received 25 May 2012; Revised 30 September 2012; Accepted 14 October 2012

Academic Editor: Vlad Popa

Copyright © 2012 H. B. Benaoum. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Modified Chaplygin gas as an exotic fluid has been introduced by H. B. Benaoum 2002. Essential features of the modified Chaplygin gas as a cosmological model are discussed. Observational constraints on the parameters of the model have been included. The relationship between the modified Chaplygin gas and a homogeneous minimally coupled scalar field is reevaluated by constructing its self-interacting potential. In addition, we study the role of the tachyonic field in the modified Chaplygin gas cosmological model and the mapping between scalar field and tachyonic field is also considered.

Autor: H. B. Benaoum



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