137 citations · 1.4k across the 56 of their papers we have counts for
56 papers
Casimir traversable wormholes in Gauss-Bonnet gravity
Mohammad Reza Mehdizadeh, Amir Hadi Ziaie
In this work, we study Casimir wormhole solutions and investigate satisfaction of energy conditions in the framework of Einstein-Gauss-Bonnet (EGB) gravity. We firstly find travers…
Gravitational Collapse of an Inhomogeneous Fluid in Rastall Theory
Akbar Jahan, Naser Sadeghnezhad, Amir Hadi Ziaie
We study spherically symmetric gravitational collapse of an inhomogeneous fluid with anisotropic energy momentum tensor (EMT) in Rastall gravity. Considering a linear equation of s…
Constraining fractionality using some observational tests
H. Moradpour, S. Jalalzadeh, R. Jalalzadeh +1
Recently, a fractional version of the Schwarzschild-Tangherlini black hole with a fractal horizon has been introduced. Motivated by the key role of the Schwarzschild solution in gr…
Trace anomaly contributions to semi-classical wormhole geometries
Mohammad Reza Mehdizadeh, Amir Hadi Ziaie, Francisco S. N. Lobo
We investigate wormhole solutions within the framework of the semi-classical Einstein equations in the presence of the conformal anomaly (or trace anomaly). These solutions are sou…
Singularity Avoidance in Gravitational Collapse of an Inhomogeneous Fluid in Rastall Gravity
Akbar Jahan, Halime Miraghaei, Shayesteh Ghaffari +1
Various types of inhomogeneous collapse models in general relativity (GR) lead to the formation of spacetime singularities either visible or hidden by a spacetime horizon. Our aim…
Novel Brans-Dicke Wormhole Solutions in Non-Vacuum Spacetimes
Amir Hadi Ziaie, Naser Sadeghnezhad, Akbar Jahan
In the present study we search for a new class of wormhole solutions in the framework of Brans-Dicke (BD) theory in the presence of anisotropic matter distribution. Considering a l…
Novel Casimir wormholes in Einstein gravity
Mohammad Reza Mehdizadeh, Amir Hadi Ziaie
In the context of General Relativity (GR), violation of the null energy condition (NEC) is necessary for existence of static spherically symmetric wormhole solutions. Also, it is a…
Late time cosmological solutions in gravity in a viscous Universe
Hamid Shabani, Norman Cruz, Amir Hadi Ziaie
Considering the condition on conservation of energy momentum tensor (EMT), we study late time cosmological solutions in the context of gravity (where and …
Gravitational Collapse without Singularity Formation in Brans-Dicke Theory
A. H. Ziaie, H. Shabani, H. Moradpour
In the present work we study collapse process of a homogeneous and isotropic fluid in Brans-Dicke ({BD}) theory with non-vanishing spacetime torsion. In this theory, torsion can be…
Einstein Static Universe and its Stability in Generalized Rastall Gravity
Hamid Shabani, Amir Hadi Ziaie, Hooman Moradpour
The Einstein static (ES) state is a good candidate for describing the very early universe in terms of a regular cosmological model in which the Big Bang singularity is avoided. In…
Generalized uncertainty principle and burning stars
H. Moradpour, A. H. Ziaie, N. Sadeghnezhad
Gamow's theory of the implications of quantum tunneling on the star burning has two cornerstones including quantum mechanics and equipartition theorem. It has vastly been proposed…
A dynamical system representation of generalized Rastall gravity
Hamid Shabani, Hooman Moradpour, Amir Hadi Ziaie
In this work we study the phase-space analysis of generalized Rastall gravity (GRG) which has recently been introduced as a modification to the original version of Rastall gravity…
Gamow Temperature in Tsallis and Kaniadakis Statistics
Hooman Moradpour, Mohsen Javaherian, Ebrahim Namvar +1
Relying on the quantum tunnelling concept and Maxwell-Boltzmann-Gibbs statistics, Gamow shows that the star-burning process happens at temperatures comparable to a critical value,…
On Some Applications of the Sagnac Effect
A. H. Ziaie, H. Moradpour, V. B. Bezerra +1
Considering exact spacetimes representing rotating black holes and naked singularities, we study the possibility that the Sagnac effect detects ) higher dimensions, ) rotati…
Dynamical wormholes in Lovelock gravity
Mohammad Reza Mehdizadeh, Amir Hadi Ziaie
In this study we present evolving wormhole configurations in third-order {Lovelock} gravity and investigate the possibility that these solutions satisfy the energy conditions. Usin…
Non-Singular Collapse Scenario From Matter-Curvature Coupling
A. H. Ziaie, H. Moradpour, M. Mohammadi Sabet
In the present work we study spherically symmetric gravitational collapse of a homogeneous perfect fluid in the context of Generalized Rastall Theory (GRT). In this modified versio…
Non-minimal coupling inspires the Dirac cosmological model
Hooman Moradpour, Hamid Shabani, Amir Hadi Ziaie +1
In the framework of the generalized Rastall theory (GRT), we study the ability of a non-minimal coupling between geometry and matter fields in order to provide a setting which allo…
Kaniadakis Holographic Dark Energy in non-flat Universe
Umesh Kumar Sharma, Vipin Chandra Dubey, A. H. Ziaie +1
In present research, we construct Kaniadakis holographic dark energy (KHDE) model within a non-flat Universe by considering the Friedmann-Robertson-Walker (FRW) metric with open an…
Minimal length implications on the Hartree-Fock theory
M. Mohammadi Sabet, H. Moradpour, M. Bahadoran +1
Hartree-Fock approximation suffers from two inabilities including i) the divergence of electron Fermi velocity , and ii) existence of bandwidth not confirmed experimentally. Here,…
The third law of thermodynamics, non-extensivity, and energy definition in black hole physics
H. Moradpour, A. H. Ziaie, Iarley P. Lobo +3
Working in the framework of generalized statistics, the problem of establishing the third law of thermodynamics in the black hole physics is studied by focusing on Schwarzschild bl…
A Note on Effects of Generalized and Extended Uncertainty Principles on Jüttner Gas
Hooman Moradpour, Sara Aghababaei, Amir Hadi Ziaie
In recent years, the implications of the generalized (GUP) and extended (EUP) uncertainty prin-ciples on Maxwell-Boltzmann distribution have been widely investigated. However, at h…
Tsallis uncertainty
H. Moradpour, A. H. Ziaie, C. Corda
It has been recently shown that the Bekenstein entropy bound is not respected by the systems satisfying modified forms of Heisenberg uncertainty principle (HUP) including the gener…
Generalized entropies and corresponding holographic dark energy models
H. Moradpour, A. H. Ziaie, M. Kord Zangeneh
Using Tsallis statistics and its relation with Boltzmann entropy, the Tsallis entropy content of black holes is achieved, a result in full agreement with a recent study (Phys. Lett…
A Generalized Interacting Tsallis Holographic Dark Energy Model and its thermodynamic implications
Abdulla Al Mamon, Amir Hadi Ziaie, Kazuharu Bamba
The paper deals with a theoretical model for interacting Tsallis holographic dark energy (THDE) whose infrared (IR) cut-off scale is set by the Hubble length. The interaction b…