http://arxiv.org/abs/1509.04254
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. We pay special account to the stability of the de Sitter solution in our model and formulate the conditions on the model parameters to have a stable configuration. Relevance of unstable configurations for the description of the de Sitter phase during inflation is discussed. Special physically interesting values of parameters are studied in details.
I. Dimitrijevic, B. Dragovich, J. Grujic, et. al.
Tue, 15 Sep 15
68/83
Comments: 18 pages
You must be logged in to post a comment.