32 citations · 178 across the 35 of their papers we have counts for
36 papers
Black holes and phase transitions in Conformal Gravity
Luis Guajardo, Luis Gutiérrez Frez, Seyed Naseh Sajadi +1
We explore the thermodynamic properties of static black holes in conformal gravities in arbitrary, even dimensions. In the spherically symmetric case, up to local Weyl rescalings,…
Generalized Polytropic Regular Black Holes in Arbitrary Dimensions
Seyed Naseh Sajadi, Supakchai Ponglertsakul, Petarpa Boonserm +2
We investigate static, spherically symmetric regular black holes with anti-de Sitter (AdS) asymptotics in arbitrary spacetime dimensions. They are solutions of Einstein gravity, so…
Analytically Approximate Black Hole Solution to Higher Curvature Gravity
Seyed Naseh Sajadi
Higher-curvature gravity usually leads to very complicated field equations, which makes it hard to find analytical solutions. In this work, we obtain analytical charged black hole…
More on near-horizon charges black holes with gravitational hair in three dimensions
Seyed Naseh Sajadi, Supakchai Ponglertsakul, Julio Oliva
With the aim of continuing the exploration of near-horizon charges in higher-curvature gravity, searching for sectors leading to universal behaviors, we first provide a thorough re…
Boundary Conditions of Warped AdS in New Massive Gravity
S. N. Sajadi, Supakchai Ponglertsakul
To satisfy the Cardy formula for Warped AdS (WAdS) solutions in a quadratic ensemble, a specific set of boundary conditions has been proposed in \cite{Aggarwal:2020igb}.…
Chiral Quartic Massive Gravity in Three Dimensions
Seyed Naseh Sajadi, Supakchai Ponglertsakul
We study New Massive Gravity (NMG) with Chern-Simons (CS), cubic, and quartic terms under the Compère-Song-Strominger (CSS) boundary conditions. By employing a semi-product of a Vi…
Superradiance of Charged Static Black Hole in Cubic Gravity
Seyed Naseh Sajadi, Supakchai Ponglertsakul
Higher curvature gravity usually has complicated field equations, and solving them analytically is strenuous. In this work, we obtain an analytical charged black hole (BH) solution…
Slowly rotating black hole solution to Einstein-Bel-Robinson gravity
Seyed Naseh Sajadi, Supakchai Ponglertsakul, Robert B. Mann
We study slowly rotating black hole solutions in the Einstein-Bel-Robinson gravity (EBR) in four dimensions. At the leading order in the rotation parameter, the only modification w…
Physical Properties of Black Hole Solution in Einstein-Bel-Robinson Gravity
Seyed Naseh Sajadi, Supakchai Ponglertsakul, Dhruba Jyoti Gogoi
In this paper, we study the different properties of static spherically symmetric black hole solutions of Einstein-Bel-Robinson gravity (EBR), a modified four-dimensional theory of…
Constructing regular black holes from multi-polytropic equations of state
Seyed Naseh Sajadi, Supakchai Ponglertsakul, Orlando Luongo
Regular black holes are imagined as solutions to Einstein's field equations, with no singularities, albeit characterized by the presence of an internal structure. With the intentio…
More on Analytically Approximate Solution to Quadratic Gravity
Seyed Naseh Sajadi, Supakchai Ponglertsakul
In this work, we obtain the analytically approximation of static, spherically symmetric black hole solutions to EinsteinWeyl squared gravity by using the continued fraction expa…
Anisotropic Generalized Polytropic Spheres: Regular 3D Black Holes
Seyed Naseh Sajadi, Mohsen Khodadi, Orlando Luongo +1
We model gravitating relativistic 3D spheres composed of an anisotropic fluid in which the radial and transverse components of the pressure correspond to the vacuum energy and a ge…
Gravitational repulsive effects in 3D regular black holes
Orlando Luongo, Hernando Quevedo, S. N. Sajadi
In this work, we consider the effects of repulsive gravity in an invariant way for four static 3D regular black holes, using the eigenvalues of the Riemann curvature tensor, the Ri…
Strongly-Coupled Anisotropic Gauge Theories and Holography in 5D Einstien-Gauss-Bonnet Gravity
S. N. Sajadi, H. R. Safari
In this paper, we study uncharged, non-conformal, and anisotropic systems with strong interactions using the gauge-gravity duality by considering Einstein-Quadratic-Axion-Dilaton a…
Black hole solutions to Einstein-Bel-Robinson gravity
S. N. Sajadi, Robert B. Mann, H. Sheikhahmadi +1
In this paper, we study the physical properties of black holes in the framework of the recently proposed Einstien-Bel-Robinson gravity. We show that interestingly the theory propag…
Astrophysical and electromagnetic emissivity properties of black holes surrounded by a quintessence type exotic fluid in the Scalar-Vector-Tensor Modified Gravity
Haidar Sheikhahmadi, Saheb Soroushfar, S. N. Sajadi +1
The astrophysical consequences of the presence of a quintessence scalar field on the evolution of the horizon and on the accretion disk surrounding a static black hole, in the Scal…
Holographic Anisotropic Background in 5D Einstien-Gauss-Bonnet Gravity
S. N. Sajadi
In this paper, we extend the work on the AdS/QCD model to quadratic gravity to gain insight into the influence of gravity. We obtain an anisotropic black brane solution to a E…
Analytically Approximation Solution to Gravity
Seyed Naseh Sajadi, Ali Hajilou, Seyed Hossein Hendi
In this paper, we obtain analytical approximate black hole solutions in the framework of gravity and the absence of a cosmological constant. In this area, we apply the equat…
Analytically Approximation Solution to Einstein-Cubic Gravity
S. N. Sajadi, S. H. Hendi
In this work, we introduce an analytical approximate black hole solution in Einstein-Cubic gravity. To obtain complete solutions, we construct the near horizon and asymptotic solut…
Charged Black Holes in Einsteinian Quartic Gravity
S. N. Sajadi, Leila Shahkarami, Farid Charmchi +1
In this paper, we studied Einsteinian quartic gravity minimally coupled to electrodynamics in four dimensions. First, by variation action, we obtain the field equations, and by int…
Quantum Cosmology in Thick Brane
S. H. Hendi, N. Riazi, S. N. Sajadi
One of the interesting open problems in the cosmological framework is applying quantum physics to the whole universe, consistently. Although different conceptual aspects of quantum…
More on Boundary Conditions for Warped AdS3 in GMG
Seyed Naseh Sajadi, Ali Hajilou
In this paper, we study the Aggrawal, Ciambelli, Detournay, and Somerhausen (ACDS) boundary conditions ref[42] for Warped AdS (WAdS) in the framework of General Massive Gra…
Holographic Entanglement Entropy in -deformed CFTs
M. R. Setare, S. N. Sajadi
In this work, we study the holographic entanglement entropy of two dimensional -deformed conformal field theory. We compute the correction due to the deformation up to th…
Conservation and Integrability in TMG
M. R. Setare, S. N. Sajadi
In this work, following the paper by Romain Ruzziconi and Céline Zwikel \cite{Ruzziconi:2020wrb} we extend the questions of conservation, integrability and renormalization in Bondi…