Chin. Phys. Lett.  2017, Vol. 34 Issue (7): 079801    DOI: 10.1088/0256-307X/34/7/079801
Energy Conditions and Constraints on the Generalized Non-Local Gravity Model
Ya-Bo Wu**, Xue Zhang, Bo-Hai Chen, Nan Zhang, Meng-Meng Wu
Department of Physics, Liaoning Normal University, Dalian 116029
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Ya-Bo Wu, Xue Zhang, Bo-Hai Chen et al  2017 Chin. Phys. Lett. 34 079801
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Abstract We study and derive the energy conditions in generalized non-local gravity, which is the modified theory of general relativity obtained by adding a term $m^{2n-2}R\Box^{-n}R$ to the Einstein–Hilbert action. Moreover, to obtain some insight on the meaning of the energy conditions, we illustrate the evolutions of four energy conditions with the model parameter $\varepsilon$ for different $n$. By analysis we give the constraints on the model parameters $\varepsilon$.
Received: 10 March 2017      Published: 23 June 2017
PACS:  98.80.-k (Cosmology)  
  98.80.Jk (Mathematical and relativistic aspects of cosmology)  
  04.20.-q (Classical general relativity)  
Fund: Supported by the National Natural Science Foundation of China under Grant Nos 11175077 and 11575075, and the Natural Science Foundation of Liaoning Province under Grant No L201683666.
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Ya-Bo Wu
Xue Zhang
Bo-Hai Chen
Nan Zhang
Meng-Meng Wu
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