SCOAP3 Repository 19 records found  1 - 10nextSearch took 0.02 seconds. 
1. Thermodynamics in Rastall gravity with entropy corrections / Bamba, Kazuharu ; Jawad, Abdul ; Rafique, Salman ; Moradpour, Hooman
We explore the thermodynamic analysis at the apparent horizon in the framework of Rastall theory of gravity. [...]
Published in EPJC 78 (2018) 986 10.1140/epjc/s10052-018-6446-0
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2. Analysis with observational constraints in Λ -cosmology in f ( R ,  T ) gravity / Nagpal, Ritika ; Pacif, S. K. J. ; Singh, J. K. ; Bamba, Kazuharu ; et al
An exact cosmological solution of Einstein’s field equations (EFEs) is derived for a dynamical vacuum energy in f ( R ,  T ) gravity for Friedmann–Lemaitre–Robertson–Walker (FLRW) space-time. [...]
Published in EPJC 78 (2018) 946 10.1140/epjc/s10052-018-6403-y
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3. Note on Tsallis holographic dark energy / Zadeh, M. Abdollahi ; Sheykhi, A. ; Moradpour, H. ; Bamba, Kazuharu
We explore the effects of considering various infrared (IR) cutoffs, including the particle horizon, the Ricci horizon and the Granda–Oliveros (GO) cutoffs, on the properties of Tsallis holographic dark energy (THDE) model, proposed inspired by Tsallis generalized entropy formalism (Tavayef et al. [...]
Published in EPJC 78 (2018) 940 10.1140/epjc/s10052-018-6427-3
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4. Observational constraints on the jerk parameter with the data of the Hubble parameter / Al Mamon, Abdulla ; Bamba, Kazuharu
We study the accelerated expansion phase of the universe by using the kinematic approach . [...]
Published in EPJC 78 (2018) 862 10.1140/epjc/s10052-018-6355-2
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5. Phase space description of nonlocal teleparallel gravity / Bamba, Kazuharu ; Momeni, Davood ; Ajmi, Mudhahir Al
We study cosmological solutions in nonlocal teleparallel gravity or f ( T ) theory, where T is the torsion scalar in teleparallel gravity. [...]
Published in EPJC 78 (2018) 771 10.1140/epjc/s10052-018-6240-z
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6. A small non-vanishing cosmological constant from the Krein–Gupta–Bleuler vacuum / Pejhan, Hamed ; Bamba, Kazuharu ; Enayati, Mohammad ; Rahbardehghan, Surena
We point out a potential relevance between the Krein–Gupta–Bleuler (KGB) vacuum leading to a fully covariant quantum field theory for gravity in de Sitter (dS) spacetime and the observable smallness of the cosmological constant. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.09.017
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7. Pendulum Leptogenesis / Bamba, Kazuharu ; Barrie, Neil D. ; Sugamoto, Akio ; Takeuchi, Tatsu ; et al
We propose a new non-thermal Leptogenesis mechanism that takes place during the reheating epoch, and utilizes the Ratchet mechanism. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.08.044
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8. Tsallis holographic dark energy / Tavayef, M. ; Sheykhi, A. ; Bamba, Kazuharu ; Moradpour, H.
Employing the modified entropy–area relation suggested by Tsallis and Cirto [1] , and the holographic hypothesis, a new holographic dark energy (HDE) model is proposed. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.04.001
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9. Constraints on reconstructed dark energy model from SN Ia and BAO/CMB observations / Mamon, Abdulla Al ; Bamba, Kazuharu ; Das, Sudipta
The motivation of the present work is to reconstruct a dark energy model through the dimensionless dark energy function X ( z ), which is the dark energy density in units of its present value. [...]
Published in EPJC 77 (2017) 29 10.1140/epjc/s10052-016-4590-y
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10. Inflation in a viscous fluid model / Bamba, Kazuharu ; Odintsov, Sergei D.
We explore a fluid description of the inflationary universe. [...]
Published in EPJC 76 (2016) 18 10.1140/epjc/s10052-015-3861-3
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