| Issue |
EPL
Volume 117, Number 6, March 2017
|
|
|---|---|---|
| Article Number | 60003 | |
| Number of page(s) | 7 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/117/60003 | |
| Published online | 16 May 2017 | |
Energy conditions in f(T) gravity with higher-derivative torsion terms
Department of Physics, Faculty of Basic Sciences, University of Mazandaran - P. O. Box 47416-95447, Babolsar, Iran
(a) t.azizi@umz.ac.ir
(b) miysamgorjizadehbaee@yahoo.com
Received: 3 January 2017
Accepted: 25 April 2017
We study the energy conditions in the framework of the modified gravity with higher-derivative torsional terms in the action. We discuss the viability of the model by studying the energy conditions in terms of the cosmographical parameters like Hubble, deceleration, jerk, snap and lerk parameters. In particular, we consider two specific models that are proposed in the literature and examine the viability bounds imposed by the weak-energy condition.
PACS: 04.50.Kd – Modified theories of gravity / 98.80.-k – Cosmology
© EPLA, 2017
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