Viscous modified cosmic Chaplygin gas cosmology

B Pourhassan - International Journal of Modern Physics D, 2013 - World Scientific
In this paper, we construct viscous modified cosmic Chaplygin gas as a model of dark
energy. We use exponential function method to solve nonlinear equation and obtain time …

[PDF][PDF] Extended Chaplygin gas model

B Pourhassan, EO Kahya - Results Phys, 2014 - researchgate.net
Extended Chaplygin gas model Page 1 1 2 Microarticle 4 Extended Chaplygin gas model 5 6
7 B. Pourhassan * Q1 , EO Kahya 8 Physics Department, Istanbul Technical University …

Higher order corrections of the extended Chaplygin gas cosmology with varying and

EO Kahya, M Khurshudyan, B Pourhassan… - The European Physical …, 2015 - Springer
In this paper, we study two different models of dark energy based on the Chaplygin gas
equation of state. The first model is the variable modified Chaplygin gas, while the second …

FRW bulk viscous cosmology with modified cosmic Chaplygin gas

H Saadat, B Pourhassan - Astrophysics and Space Science, 2013 - Springer
In this paper we study FRW bulk viscous cosmology in presence of modified cosmic
Chaplygin gas. We obtain generalized Friedmann equations due to bulk viscosity and …

Slowly rotating dark energy stars

G Panotopoulos, Á Rincón, I Lopes - Physics of the Dark Universe, 2021 - Elsevier
We study isotropic and slowly-rotating stars made of dark energy adopting the extended
Chaplygin equation-of-state. We compute the moment of inertia as a function of the mass of …

Variable Chaplygin gas cosmologies in f (R, T) gravity with particle creation

N Hulke, GP Singh, BK Bishi, A Singh - New Astronomy, 2020 - Elsevier
Abstract A flat FLRW (Friedmann–Lemaitre–Robertson–Walker) cosmological model with
perfect fluid comprising of variable Chaplygin gas (VCG) has been studied in the context of f …

Interacting quintessence models of dark energy

M Khurshudyan, E Chubaryan… - International Journal of …, 2014 - Springer
In this paper we consider two models of quintessence scalar fields with different potentials.
Interaction with generalized cosmic Chaplygin gas is also investigated. Cosmological …

A new well-behaved class of compact strange astrophysical model consistent with observational data

A Errehymy, M Daoud - The European Physical Journal C, 2021 - Springer
The main focus of this paper is to discuss the solutions of Einstein's Field Equations (EFEs)
for compact spherical objects study. To supply exact solution of the EFEs, we have …

Effect of varying bulk viscosity on generalized Chaplygin gas

H Saadat, B Pourhassan - International Journal of Theoretical Physics, 2014 - Springer
In this paper, viscous generalized Chaplygin gas as a model of dark energy considered. We
assume non-constant bulk viscous coefficient and study dark energy density. We consider …

FRW cosmology with the extended Chaplygin gas

B Pourhassan, EO Kahya - Advances in High Energy Physics, 2014 - Wiley Online Library
We propose extended Chaplygin gas equation of state for which it recovers barotropic fluid
with quadratic equation of state. We use numerical method to investigate the behavior of …