Energy conditions in non-local gravity
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DOI: 10.1142/s0219887819501494
Abstract: We investigate the different energy conditions in non-local gravity, which is obtained by adding an arbitrary function of d’Alembertian operator, [Formula: see text], to the Hilbert–Einstein action. We analyze the validity of four different energy… read more here.
Keywords: energy conditions; conditions non; energy; non local ... See more keywords
Cosmology of non-local f(R) gravity
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DOI: 10.2298/fil1904163d
Abstract: We consider a modification of GR with a special type of a non-local f (R). The structure of the non-local operators is motivated by the string field theory and p-adic string theory. The spectrum is… read more here.
Keywords: cosmology; local gravity; non local; cosmology non ... See more keywords