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Non-metricity approach to Jackiw-Teitelboim gravity
Shin'ichi Nojiri, S. D. Odintsov
We construct 2d Jackiw-Teitelboim (JT) gravity in the framework of symmetric teleparallel gravity based on a non-metricity tensor. In symmetric teleparallel gravity, we often use t…
Generalized black hole entropy in two dimensions
Shin'ichi Nojiri, Sergei D. Odintsov, Valerio Faraoni
The Bekenstein-Hawking entropy of a black hole is proportional to its horizon area, hence in spacetime dimensions it is constant because the horizon degenerates into two poin…
Novel cosmological and black hole solutions in Einstein and higher-derivative gravity in two dimensions
Shin'ichi Nojiri, Sergei D. Odintsov
We consider cosmological and black hole solutions in the Einstein and higher-derivative gravity in two dimensions where the theory is formulated first in dimensions. In the lim…
Regular Multi-Horizon Black Holes in Modified Gravity with Non-Linear Electrodynamics
Shin'ichi Nojiri, S. D. Odintsov
We investigated the regular multi-horizon black holes in the Einstein gravity, gravity and the 5 dimensional Gauss-Bonnet gravity, all of them coupled with non-linear electr…
An alternative attractor in gauged NJL inflation
Tomohiro Inagaki, Sergei D. Odintsov, Hiroki Sakamoto
We have investigated the attractor structure for the CMB fluctuations in composite inflation scenario within the gauged Nambu-Jona-Lasinio (NJL) model. Such composite inflation rep…
Covariant Generalized Holographic Dark Energy and Accelerating Universe
Shin'ichi Nojiri, S. D. Odintsov
We proposed the generalized holographic dark energy model where infrared cutoff is identified with the combination of the FRW universe parameters: the Hubble rate, particle and fut…