Matter stability in modified teleparallel gravity [PDF]
A. Behboodi, S. Akhshabi, K. NozariWe study the matter stability in modified teleparallel gravity or $f(T)$ theories. We show that there is no Dolgov-Kawasaki instability in these types of modified teleparallel gravity theories. This give the $f(T)$ theories a great advantage over their $f(R)$ counterparts because from the stability point of view there isn't any limit on the form of functions that can be chosen.View original: http://arxiv.org/abs/1205.4570
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