33 citations · 343 across the 32 of their papers we have counts for
33 papers
Spherical particle orbits around a rotating black hole in massive gravity
Mohsen Fathi, J. R. Villanueva, Norman Cruz
In this paper, we present a rotating de Rham-Gabadadze-Tolley black hole with a positive cosmological constant in massive gravity, achieved by applying a modified Newman-Janis algo…
Analytical study of particle geodesics around a scale-dependent de Sitter black hole
Mohsen Fathi
We give a fully analytical description of radial and angular geodesics for massive particles that travel in the spacetime provided by a (3+1)-dimensional scale-dependent black hole…
Carathéodory's thermodynamics of the Schwarzschild black hole surrounded by quintessence
Mohsen Fathi, Martín Molina, J. R. Villanueva
In this paper, we apply the Carathéodory's method of geometrothermodynamics to investigate the behavior of the main thermodynamic parameters associated with a Schwarzschild black h…
Observational signatures of a static black hole with thin accretion disk
Mohsen Fathi, Norman Cruz
In this study, we focus on a static spherically symmetric black hole spacetime characterized by a linear dark matter-related parameter. Our investigation delves into underst…
Spherical photon orbits around a rotating black hole with quintessence and cloud of strings
Mohsen Fathi, Marco Olivares, J. R. Villanueva
In this paper, we calculate the analytical solutions for the radii of planar and polar spherical photon orbits around a rotating black hole that is associated with quintessential f…
Study of null and time-like geodesics in the exterior of a Schwarzschild black hole with quintessence and cloud of strings
Mohsen Fathi, Marco Olivares, J. R. Villanueva
Recently, an analytical study of radial and circular orbits for null and time-like geodesics that propagate in the spacetime produced by a Schwarzschild black hole associated with…
Probing the parameters of a Schwarzschild black hole surrounded by quintessence and cloud of strings through four standard astrophysical tests
V. H. Cárdenas, Mohsen Fathi, Marco Olivares +1
In this paper, we concern about applying general relativistic tests on the spacetime produced by a static black hole associated with cloud of strings, in a universe filled with qui…
Analytical study of light ray trajectories in Kerr spacetime in the presence of an inhomogeneous anisotropic plasma
Mohsen Fathi, Marco Olivares, J. R. Villanueva
We calculate the exact solutions to the equations of motion that govern the light ray trajectories as they travel in a Kerr black hole's exterior that is considered to be filled wi…
Adiabatic analysis of the rotating BTZ black hole
Mohsen Fathi, Samuel Lepe, J. R. Villanueva
In this paper we analyze some interesting features of the thermodynamics of the rotating BTZ black hole from the Carathéodory axiomatic postulate, for which, we exploit the appropr…
Adiabatic evolution of Hayward black hole
Mohsen Fathi, Martín Molina, J. R. Villanueva
In this letter we use the Carathéodory's approach to thermodynamics, to construct the thermodynamic manifold of the Hayward black hole. The Pfaffian form representing the infinites…
Ergosphere, photon region structure, and the shadow of a rotating charged Weyl black hole
Mohsen Fathi, Marco Olivares, J. R. Villanueva
In this paper, we explore the photon region and the shadow of the rotating counterpart of a static charged Weyl black hole, which has been previously discussed according to null an…
Gravitational Rutherford scattering of electrically charged particles from a charged Weyl black hole
Mohsen Fathi, Marco Olivares, J. R. Villanueva
Considering electrically charged test particles, we continue our study of the exterior dynamics of a charged Weyl black hole which has been previously investigated regarding the mo…
The role of elliptic integrals in calculating the gravitational lensing of a charged Weyl black hole surrounded by plasma
Mohsen Fathi, J. R. Villanueva
In this paper, we mainly aim at highlighting the importance of (hyper-)elliptic integrals in the study of gravitational effects caused by strongly gravitating systems. For this, we…
Motion of massive particles around a charged Weyl black hole and the geodetic precession of orbiting gyroscopes
Mohsen Fathi, Mona Kariminezhad, Marco Olivares +1
The advanced state of cosmological observations constantly tests the alternative theories of gravity that originate from Einstein's theory. However, this is not restricted to modif…
Classical tests on a charged Weyl black hole: bending of light, Shapiro delay and Sagnac effect
Mohsen Fathi, Marco Olivares, J. R. Villanueva
In this paper, we apply the classical test of general relativity on a charged Weyl black hole, whose exterior geometry is defined by altering the spherically symmetric solutions of…
Photons trajectories on a first order scale-dependent static BTZ black hole
Mohsen Fathi, Ángel Rincón, J. R. Villanueva
In this paper we study the motion of massless particles on a static BTZ black hole background in the context of scale-dependent gravity, which is characterized by the running param…
Congruence Kinematics in Conformal Gravity
Mohsen Fathi
In this paper we calculate the kinematical quantities of the Raychaudhuri equations, to characterize a congruence of time-like integral curves, according to the vacuum radial solut…
Homothetic Congruences in General Relativity
Mohsen Fathi
The kinematical characteristics of distinct infalling homothetic fields are discussed by specifying the transverse subspace of their generated congruences to the energy-momentum de…
Covariant kinematics of light in media and a generalized Raychaudhuri equation
Robert T. Thompson, Mohsen Fathi
There is ongoing interest in adopting various tools and ideas from general relativity for optical applications and the study of light propagation through natural or engineered medi…
Gravitational Collapse in Repulsive Gravity
Mohsen Fathi, Morteza Mohseni
In this paper we work out collapsing conditions for a spherical star in the weak field limit of the gravity and discuss the importance of the parameter to generate di…
Evolving Horava Cosmological Horizons
Mohsen Fathi, Morteza Mohseni
Several sets of radially propagating null congruence generators are exploited in order to form 3-dimensional marginally trapped surfaces, referred to as black hole and cosmological…
Massive Gravitons on Bohmian Congruences
Mohsen Fathi, Morteza Mohseni
Taking a quantum corrected form of Raychaudhuri equation in a geometric background described by a Lorentz-violating massive theory of gravity, we go through investigating a time-li…
Focusing of world-lines in Weyl gravity
Morteza Mohseni, Mohsen Fathi
We study the evolution of time-like congruences in the vacuum solutions of Weyl conformal theory of gravity. Using the Raycaudhuri equation, we show that for positive values of the…
Cartographic distortions make dielectric spacetime analog models imperfect mimickers
Mohsen Fathi, Robert T. Thompson
It is commonly assumed that if the optical metric of a dielectric medium is identical to the metric of a vacuum space-time then light propagation through the dielectric mimics ligh…