SCOAP3 Repository 17 records found  1 - 10nextSearch took 0.02 seconds. 
1. Surrounded Vaidya black holes: apparent horizon properties / Heydarzade, Y. ; Darabi, F.
We study the thermodynamical features and dynamical evolutions of various apparent horizons associated with the Vaidya evaporating black hole surrounded by the cosmological fields of dust, radiation, quintessence, cosmological constant-like and phantom. [...]
Published in EPJC 78 (2018) 342 10.1140/epjc/s10052-018-5842-9
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2. Emergent cosmos in Einstein–Cartan theory / Hadi, H. ; Heydarzade, Y. ; Hashemi, M. ; Darabi, F.
Based on Padmanabhan’s proposal, the accelerated expansion of the universe can be driven by the difference between the surface and bulk degrees of freedom in a region of space, described by the relation dV/dt=Nsur-Nbulk where Nsur and Nbulk=-Nem+Nde are the degrees of freedom assigned to the surface area and the matter–energy content inside the bulk such that the indices “em” and “de” represent energy-momentum and dark energy, respectively. [...]
Published in EPJC 78 (2018) 38 10.1140/epjc/s10052-017-5494-1
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3. Einstein and Rastall theories of gravitation in comparison / Darabi, F. ; Moradpour, H. ; Licata, I. ; Heydarzade, Y. ; et al
We profit by a recent paper of Visser claiming that Rastall gravity is equivalent to Einstein gravity to compare the two gravitational theories in a general way. [...]
Published in EPJC 78 (2018) 25 10.1140/epjc/s10052-017-5502-5
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4. Braneworld black holes and entropy bounds / Heydarzade, Y. ; Hadi, H. ; Corda, C. ; Darabi, F.
The Bousso's D -bound entropy for the various possible black hole solutions on a 4-dimensional brane is checked. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.11.061
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5. Vaidya spacetime in massive gravity's rainbow / Heydarzade, Yaghoub ; Rudra, Prabir ; Darabi, Farhad ; Ali, Ahmed Farag ; et al
In this paper, we will analyze the energy dependent deformation of massive gravity using the formalism of massive gravity's rainbow. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.09.049
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6. Evolution of spherical over-densities in tachyon scalar field model / Setare, M.R. ; Felegary, F. ; Darabi, F.
We study the tachyon scalar field model in flat FRW cosmology with the particular potential ϕ−2 and the scale factor behavior a(t)=tn . [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.06.039
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7. Black hole solutions surrounded by perfect fluid in Rastall theory / Heydarzade, Y. ; Darabi, F.
In this work, we obtain uncharged∖charged Kiselev-like black holes as a new class of black hole solutions surrounded by perfect fluid in the context of Rastall theory. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.05.064
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8. A generalization to the Rastall theory and cosmic eras / Moradpour, H. ; Heydarzade, Y. ; Darabi, F. ; Salako, Ines G.
A generalized version for the Rastall theory is proposed showing the agreement with the cosmic accelerating expansion. [...]
Published in EPJC 77 (2017) 259 10.1140/epjc/s10052-017-4811-z
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9. On the stability of Einstein static universe at background level in massive bigravity / Mousavi, M. ; Darabi, F.
We study the static cosmological solutions and their stability at background level in the framework of massive bigravity theory with Friedmann–Robertson–Walker (FRW) metrics. [...]
Published in Nuclear Physics B (2017) 10.1016/j.nuclphysb.2017.04.002
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10. Inflation via logarithmic entropy-corrected holographic dark energy model / Darabi, F. ; Felegary, F. ; Setare, M. R.
We study the inflation in terms of the logarithmic entropy-corrected holographic dark energy (LECHDE) model with future event horizon, particle horizon, and Hubble horizon cut-offs, and we compare the results with those obtained in the study of inflation by the holographic dark energy HDE model. [...]
Published in EPJC 76 (2016) 703 10.1140/epjc/s10052-016-4556-0
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