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Title

Possible antigravity regions in F(R)F(R) theory?

AuthorsBamba, Kazuharu; Nojiri, Shin'ichi; Odintsov, Sergei D. CSIC ORCID; Sáez-Gómez, Diego CSIC ORCID
Issue Date27-Jan-2014
PublisherElsevier
CitationPhysics Letters - Section B 730: 136-140 (2014)
AbstractWe construct an F(R)F(R) gravity theory corresponding to the Weyl invariant two scalar field theory. We investigate whether such F(R)F(R) gravity can have the antigravity regions where the Weyl curvature invariant does not diverge at the Big Bang and Big Crunch singularities. It is revealed that the divergence cannot be evaded completely but can be much milder than that in the original Weyl invariant two scalar field theory.
Publisher version (URL)http://dx.doi.org/10.1016/j.physletb.2014.01.045
URIhttp://hdl.handle.net/10261/96656
DOIhttp://dx.doi.org/10.1016/j.physletb.2014.01.045
ISSN0370-2693
Appears in Collections:(ICE) Artículos
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