19 citations · 41 across the 8 of their papers we have counts for
8 papers
Gravitational Landscapes: black holes with linear equations of state in asymptotically safe gravity
Ramin Hassannejad, Fatimah Shojai, Kazuharu Bamba
We study black holes with linear equation of state within the framework of asymptotically safe gravity. This study extends previous work on gravitational collapse in asymptotically…
Gravitational Collapse in Scale-Dependent Gravity
Ramin Hassannejad, Gaetano Lambiase, Fabio Scardigli +1
In this paper we study an Oppenheimer-Snyder (OS)-like gravitational collapse in the general framework of scale-dependent gravity. We explore the collapse in spherically symmetric…
Mori-Zwanzig formalism for early cosmic inflation
Ramin Hassannejad
The existence of fluctuations at the early stage of the universe provides enough confidence to rely on averaging methods. However, the nonlinearity of general relativity makes this…
On the gravitational collapse in 4-dimensional Einstein-Gauss-Bonnet gravity
R. Hassannejad, A. Sadeghi, F. Shojai
In this paper, we treat 4-dimensional Einstein-Gauss-Bonnet gravity as general relativity with an effective stress-energy tensor. We will study the modified Oppenheimer-Snyder-Datt…
Generalized Oppenheimer-Snyder Gravitational Collapse into Regular Black holes
F. Shojai, A. Sadeghi, R. Hassannejad
We shall study the formation of a particular class of regular black holes from the gravitational collapse of a massive star. The inside geometry is described by spatially flat Frie…
Deriving The Bekenstein-Hawking entropy by Statistical Mechanics and Quantization of Non-Commuting Space
R. Hassannejad
In this paper, we derive the Bekenstein-Hawking entropy by considering a Non-Commuting two dimensional quantized space, and we will show that the Bekenstein-Hawking entropy is vali…
Repulsive gravity regime in the early Universe as a consequence of quantized space
Ramin Hassannejad, S. Navid Mousavi
In this paper, we showed that gravity might have been repulsive in the first moments of the Universe! To find this, we used quantization of the anti-commuting space and derived a g…
Deriving Einstein's Field Equation(EFE) and Modified Gravity by Statistical Mechanics and Quantization of Non-Commuting Space
Ramin Hassannejad, S. Navid Mousavi
In this paper, we derive the Einstein's field equation (EFE) by considering an non-commuting two dimensional quantized space, which can be excited by absorbing energy. Any variatio…