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2D gravity and AdS/CFT correspondence
S. Nojiri, S. D. Odintsov
We studied the canonical structure of 2D gravity. Its equivalence with Jackiw-Teitelboim gravity is demonstrated when no matter presents. Then, due to AdS/CFT corres…
Inflationary universe from perfect fluid and gravity and its comparison with observational data
Kazuharu Bamba, Shin'ichi Nojiri, Sergei D. Odintsov +1
We investigate the descriptions for the observables of inflationary models, in particular, the spectral index of curvature perturbations, the tensor-to-scalar ratio, and the runnin…
Renormalization-group inflationary scalar electrodynamics and SU(5) scenarios confronted with Planck2013 and BICEP2 results
E. Elizalde, S. D. Odintsov, E. O. Pozdeeva +1
The possibility to construct inflationary models for the renormalization-group improved potentials corresponding to scalar electrodynamics and to and models is inve…
Mimetic gravity: inflation, dark energy and bounce
Shin'ichi Nojiri, Sergei D. Odintsov
We propose the mimetic theory and investigate the early-time and late-time acceleration in such theory. It is demonstrated that inflation consistent with observable data may…
Reconstruction of scalar field theories realizing inflation consistent with the Planck and BICEP2 results
Kazuharu Bamba, Shin'ichi Nojiri, Sergei D. Odintsov
We reconstruct scalar field theories to realize inflation compatible with the BICEP2 result as well as the Planck. In particular, we examine the chaotic inflation model, natural (o…
Born-Infeld gravity and its functional extensions
Sergei D. Odintsov, Gonzalo J. Olmo, D. Rubiera-Garcia
We investigate the dynamics of a family of functional extensions of the (Eddington-inspired) Born-Infeld gravity theory, constructed with the inverse of the metric and the Ricci te…