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Advances in High Energy Physics
Volume 2013, Article ID 279768, 9 pages
http://dx.doi.org/10.1155/2013/279768
Research Article

Tachyonic Teleparallel Dark Energy in Phase Space

1Department of Science, Babol Branch, Islamic Azad University, Babol, Iran
2Department of Basic Sciences, Babol University of Technology, Babol 47148-71167, Iran

Received 24 August 2013; Accepted 23 September 2013

Academic Editor: Kadayam S. Viswanathan

Copyright © 2013 Behnaz Fazlpour and Ali Banijamali. 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.

Abstract

Recently, nonminimal coupling between a noncanonical scalar field and gravity in the framework of teleparallelism has been proposed. Noncanonical scalar field is tachyon field, and the model is known as tachyonic teleparallel dark energy. Here, we perform a dynamical analysis of the model, find its critical points, and study their stability. We find that all the critical points are dark energy dominated solutions corresponding to an accelerating universe. It is also shown that there exist two critical lines which are stable attractors of the model.