Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 29, Issue 21, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/0264-9381/29/21/215016
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Funding
- National Natural Science Foundation of China [10825313]
- Ministry of Science and Technology national basic science Program (Project 973) [2012CB821804]
- Fundamental Research Funds for the Central Universities
- Scientific Research Foundation of Beijing Normal University
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In order to constrain f(R, L-m) gravity from theoretical aspects, its energy conditions are derived in this paper. These energy conditions given by us are quite general and can be degenerated to the well-known energy conditions in general relativity and f(R) theories of gravity with arbitrary coupling, non-minimal coupling and non-coupling between matter and geometry, respectively, as special cases. To exemplify how to use these energy conditions to restrict f(R, L-m) gravity, we consider a special model in the FRW cosmology and give some corresponding results by using astronomical observations.
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