@article{paperid:202962,
author = {Garousi, Mohammad Reza and Hatefi, Ehsan},
title = {what is needed of a tachyon if it is to be the dark energy},
journal = {Nuclear Physics B},
year = {2008},
volume = {800},
number = {3},
month = {March},
issn = {0550-3213},
pages = {502--516},
			numpages = {14},
keywords = {Tachyon condensation;},
}