227 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Damghan UniversityIR49 papers
- Research Institute for Astronomy and Astrophysics of MaraghIR47 papers
- Canadian Quantum Research CenterCA28 papers
- International Center for Relativistic AstrophysicsIT25 papers
- Institute for Research in Fundamental SciencesIR21 papers
- Islamic Azad University of Ayatollah AmoliIR18 papers
- Islamic Azad University, TehranIR17 papers
- Payame Noor UniversityIR17 papers
- Shiraz UniversityIR17 papers
- Islamic Azad University Central Tehran BranchIR10 papers
- Mazandaran University of Science and TechnologyIR7 papers
- University of LisbonPT7 papers
27 papers · 1 filter
Holographic Dark Energy from a Modified GBIG Scenario
Kourosh Nozari, Narges Rashidi
We construct a holographic dark energy model in a braneworld setup that gravity is induced on the brane embedded in a bulk with Gauss-Bonnet curvature term. We include possible mod…
Phantom-like effects in asymmetric brane embedding with induced gravity and the Gauss-Bonnet term in the Bulk
Kourosh Nozari, Tahereh Azizi
We construct an asymmetric braneworld embedding with induced gravity on the brane, where stringy effects are taken into account by incorporation of the Gauss-Bonnet term in the bul…
Phantom Mimicry on the Normal Branch of a DGP-inspired Braneworld Scenario with Curvature Effect
Kourosh Nozari, N. Alipour
It has been shown recently that phantom-like effect can be realized on the normal branch of the DGP setup without introduction of any phantom matter neither in the bulk nor on the…
Thermal instability in ionized plasma
Mohsen Shadmehri, Mohsen Nejad-Asghar, Alireza Khesali
We study magnetothermal instability in the ionized plasmas including the effects of Ohmic, ambipolar and Hall diffusion. Magnetic field in the single fluid approximation does not a…
One more step toward the noncommutative brane inflation
Kourosh Nozari, Siamak Akhshabi
Recently a new approach to inflation proposal has been constructed via the smeared coherent state picture of spacetime noncommutativity. Here we generalize this viewpoint to a Rand…
Phantom-Like Behavior of a DGP-Inspired Scalar-Gauss-Bonnet Gravity
Kourosh Nozari, T. Azizi, M. R. Setare
We study the phantom-like behavior of a DGP-inspired braneworld scenario where curvature correction on the brane is taken into account. We include a possible modification of the in…
Baryon Binding Energy in Sakai-Sugimoto Model
J. Sadeghi, M. R. Pahlavani, S. Heshmatian +1
The binding energy of baryon has been studied in the dual string theory with a black hole interior. In this picture baryon is constructed of a brane vertex…
Effects of the Generalized Uncertainty Principle on the Inflation Parameters
Kourosh Nozari, Siamak Akhshabi
We investigate the effects of the generalized uncertainty principle on the inflationary dynamics of the early universe in both standard and braneworld viewpoint. We choose the Rand…
Phantom-Like Behavior in -Gravity
Kourosh Nozari, Tahereh Azizi
We investigate possible realization of the phantom-like behavior in the framework of -gravity models where there are no phantom fields in the matter sector of the theory. By…
Thermodynamical Stability of Hagedorn and Radiation Regimes in Closed String Gas Cosmology
J. Sadeghi, H. Farahani, B. Pourhassan
In this paper, we investigate thermal equilibrium in string gas cosmology which is dominated by closed string.We consider two interesting regimes, Hagedorn and radiation regimes.We…
Validity of Born Approximation for Nuclear Scattering in Path Integral Representation
M. R. Pahlavani, R. Morad
The first and second Born approximation are studied with the path integral representation for matrix. The matrix is calculated for Woods-Saxon potential sc…
Chaotic inflation on the Randall-Sundrum 2-brane model
Kourosh Nozari, Siamak Akhshabi
We construct an inflation model on the Randall-Sundrum I (RSI) brane where a bulk scalar field stabilizes the inter-brane separation. We study impact of the bulk scalar field on th…
A Braneworld Dark Energy Model with Induced Gravity and the Gauss-Bonnet Effect
Kourosh Nozari, Narges Rashidi
We construct a holographic dark energy model with a non-minimally coupled scalar field on the brane where Gauss-Bonnet and Induced Gravity effects are taken into account. This mode…
Dynamical-Screening and the Phantom-Like Effects in a DGP-Inspired Model
Kourosh Nozari, Faeze Kiani
Based on the Lue-Starkman conjecture on the dynamical screening of the brane cosmological constant in the DGP scenario, we extend this proposal to a general DGP-inspired M…
Non-minimal Maxwell-Modified Gauss-Bonnet Cosmologies: Inflation and Dark Energy
J Sadeghi, M R Setare, A Banijamali
In this paper we show that power-law inflation can be realized in non-minimal gravitational coupling of electromagnetic field with a general function of Gauss-Bonnet invariant. Suc…
Non-Minimal Warm Inflation and Perturbations on the Warped DGP Brane with Modified Induced Gravity
Kourosh Nozari, M. Shoukrani, Behnaz Fazlpour
We construct a warm inflation model with inflaton field non-minimally coupled to induced gravity on a warped DGP brane. We incorporate possible modification of the induced gravity…
Modified GBIG Scenario as an Alternative for Dark Energy
Kourosh Nozari, Narges Rashidi
We construct a DGP-inspired braneworld model where induced gravity on the brane is modified in the spirit of gravity and stringy effects are taken into account by incorporat…
Cosmic acceleration and crossing of in non-minimal modified Gauss-Bonnet gravity
J Sadeghi, M R Setare, A Banijamali
Modified Gauss-Bonnet, i.e, gravity is a possible explanation of dark energy. Late time cosmology for the gravity non-minimally coupled with a free massless scalar fi…
Comparison of Frames: Jordan vs Einstein Frame for a Non-minimal Dark Energy Model
Kourosh Nozari, S. Davood Sadatian
We construct a dark energy model where a scalar field non-minimally coupled to gravity plays the role of the dark component. We compare cosmological consequences of this non-minima…
Bouncing Universe with a Nonminimally Coupled Scalar Field on a Moving Domain Wall
Kourosh Nozari, S. Davood Sadatian
We study dynamics of a dark energy component nonminimally coupled to gravity on a moving domain wall. We use this setup to explain late-time accelerated expansion and crossing of t…
Bouncing universe with the non-minimally coupled scaler field and its reconstructing
J. Sadeghi, F. Milani, A. R. Amani
In this paper we consider a non-minimally coupled scaler field, and show its equation of state parameter can crossing over -1, , and bouncing condition. Also we obtain the…
String Inspired Quintom Model with Non-minimally Coupled Modified Gravity
J Sadeghi, M R Setare, A Banijamali
In this paper we consider a quintom model of dark energy with non-minimal coupling between scalar field and modified gravity which is known gravity. The Lagrangian for scala…
Time-dependent backgrounds of two dimensional string theory from the matrix model
J. Sadeghi, B. Pourhassan
The aim of this paper is to use correspondence between solutions in the matrix model collective field theory and coupled dilaton-gravity to a massless scalar field. First, we…
Interacting tachyon dark energy in non-flat universe
M R Setare, J Sadeghi, A R Amani
In this paper we study the tachyon cosmology in non-interacting and interacting cases in non-flat FRW universe. Then we reconstruct the potential and the dynamics of the tachyon fi…