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9 papers · 1 filter
Effect of rainbow function on the structural properties of dark energy star
A. Bagheri Tudeshki, G. H. Bordbar, B. Eslam Panah
Confirming the existence of compact objects with a mass greater than by observational results such as GW190814 makes that is possible to provide theories to justify…
Structure of gravastars in the context of massive gravity
H. Barzegar, B. Eslam Panah, G. H. Bordbar +1
In this paper, we investigate a new model of dimensional () gravitational vacuum stars (gravastars) with an isotropic matter distribution anti-de Sitter (AdS) spacetime…
Three-dimensional accelerating AdS black holes in gravity
B. Eslam Panah, M. Khorasani, J. Sedaghat
Considering a three-dimensional metric, we obtain the exact accelerating black holes in the theory of gravity coupled with and without a matter field. First, we extract…
Cosmic Birefringence as a probe of dark matter nature: Sterile neutrino and dipolar dark matter
Jafar Khodagholizadeh, S. Mahmoudi, R. Mohammadi +1
Recently, non-zero rotation angle [Phys. Rev. Lett. \textbf{128}, no.9, 091302 (2022)] has been reported for linear polarization of…
Note on agegraphic dark energy inspired by modified Barrow entropy
A. Sheykhi, S. Ghaffari
We revisit agegraphic dark energy (ADE) model when the entropy associated with the apparent horizon is in the form of Barrow entropy, , where indicat…
Spontaneous Lorentz symmetry breaking effects on GRBs jets arising from neutrino pair annihilation process near a black hole
Mohsen Khodadi, Gaetano Lambiase, Leonardo Mastrototaro
The study of neutrino pair annihilation into electron-positron pairs () is astrophysically well-motivated because it is a possible powering mechanism for the g…