output
19982026
most citedHorizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A

753 citations

Showing 2017 · gr-qcShow all

16 papers · 2 filters

gr-qc2017★ 9 cited

Magnetic solutions in Einstein-massive gravity with linear and nonlinear fields

Seyed Hossein Hendi, Behzad Eslam Panah, Shahram Panahiyan +1

The solutions of gauge-gravity coupling is one of the interesting models for analyzing the semi-classical nature of spacetime. In this regard, different well-known singular…

gr-qc2017★ 63 cited

Reentrant phase transition of Born-Infeld-AdS black holes

Amin Dehyadegari, Ahmad Sheykhi

We investigate thermodynamic phase structure and critical behaviour of Born-Infeld (BI) black holes in an anti-de Sitter (AdS) space, where the charge of the system can vary and th…

gr-qc2017★ 2 cited

Implications of maximum acceleration on dynamics

H. Moradpour, A. Amiri, A. Sheykhi

Considering the corrected Unruh temperature as well as the entropic force perspective of gravity, we are able to derive the modification of the Newton's law of gravity. In addition…

gr-qc2017★ 61 cited

Dilatonic black holes in gravity's rainbow with a nonlinear source: the effects of thermal fluctuations

S. H. Hendi, B. Eslam Panah, S. Panahiyan +1

This paper is devoted to investigate nonlinearly charged dilatonic black holes in the context of gravity's rainbow with two cases: I) by considering the usual entropy, II) in the p…

gr-qc2017★ 22 cited

Reentrant phase transition of Born-Infeld-dilaton black holes

Seyed Hossein Hendi, Mehrab Momennia

We explore a novel reentrant phase transition of four-dimensional Born-Infeld-dilaton black hole in which the first order phase transition modify into a zeroth order phase transiti…

gr-qc2017★ 53 cited

Critical behavior and phase transition of dilaton black holes with nonlinear electrodynamics

Z. Dayyani, A. Sheykhi, M. H. Dehghani +1

In this paper, we take into account the dilaton black hole solutions of Einstein gravity in the presence of logarithmic and exponential forms of nonlinear electrodynamics. At first…

gr-qc2017★ 57 cited

Expansion of magnetic neutron stars in an energy (in)dependent spacetime

B. Eslam Panah, G. H. Bordbar, S. H. Hendi +3

Regarding the strong magnetic field of neutron stars and high energy regime scenario which is based on high curvature region near the compact objects, one is motivated to study mag…

gr-qc2017★ 2 cited

Revisiting Holographic Dark Energy in Cyclic Cosmology

A. Sheykhi, M. Tavayef, H. Moradpour

Considering the holographic dark energy (HDE) with two different Infrared (IR) cutoffs, we study the evolution of a cyclic universe which avoids the Big-Rip singularity. Our result…

gr-qc2017★ 19 cited

Alternative approach to thermodynamic phase transitions

Seyed Hossein Hendi, Shahram Panahiyan, Behzad Eslam Panah +1

One of the major open problems in theoretical physics is a consistent quantum gravity theory.Recent developments in thermodynamic phase transitions ofblack holes and their van der…

gr-qc2017★ 64 cited

Nonsingular universe in massive gravity's rainbow

Seyed Hossein Hendi, Mehrab Momennia, Behzad Eslam Panah +1

One of the fundamental open questions in cosmology is whether we can regard the universe evolution without singularity like a Big Bang or a Big Rip. This challenging subject stimul…

gr-qc2017★ 80 cited

Nonsingular Universes in Gauss-Bonnet Gravity's Rainbow

Seyed Hossein Hendi, Mehrab Momennia, Behzad Eslam Panah +1

In this paper, we will study the rainbow deformation of the FRW cosmology in both Einstein gravity and Gauss-Bonnet gravity. We will demonstrate that the singularity in the FRW cos…

gr-qc2017★ 9 cited

Ghost dark energy with sign-changeable interaction term

M. Abdollahi Zadeh, A. Sheykhi, H. Moradpour

Regarding the Veneziano ghost of QCD and its generalized form, we consider a Friedmann-Robertson-Walker (FRW) universe filled by a pressureless matter and a dark energy component i…

gr-qc2017★ 27 cited

Three dimensional magnetic solutions in massive gravity with (non)linear field

S. H. Hendi, B. Eslam Panah, S. Panahiyan +1

The Noble Prize in physics 2016 motivates one to study different aspects of topological properties and topological defects as their related objects. Considering the significant rol…

gr-qc2017★ 89 cited

Dilatonic BTZ black holes with power-law field

S. H. Hendi, B. Eslam Panah, S. Panahiyan +1

Motivated by low energy effective action of string theory and large applications of BTZ black holes, we will consider minimal coupling between dilaton and nonlinear electromagnetic…

gr-qc2017★ 203 cited

van der Waals like behaviour of topological AdS black holes in massive gravity

S. H. Hendi, R. B. Mann, S. Panahiyan +1

Motivated by recent developments in black hole thermodynamics, we investigate van der Waals phase transitions of charged black holes in massive gravity. We find that massive gravit…

gr-qc2017★ 76 cited

Neutron stars structure in the context of massive gravity

S. H. Hendi, G. H. Bordbar, B. Eslam Panah +1

Motivated by the recent interests in spin massive gravitons, we study the structure of neutron star in the context of massive gravity. The modifications of TOV equation in the…