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Realistic compact stars in conformal teleparallel gravity
G. G. L. Nashed, K. Bamba
We explore an interior solution of a physically symmetric vierbein with two unknown functions in conformal teleparallel gravity. The field equations can be described in a closed sy…
AGN-driven Cold Gas Outflow of NGC 1068 Characterized by Dissociation-Sensitive Molecules
Toshiki Saito, Shuro Takano, Nanase Harada +11
Recent developments in (sub-)millimeter facilities have drastically changed the amount of information obtained from extragalactic spectral scans. In this paper, we present a featur…
Casimir Wormholes in Modified Symmetric Teleparallel Gravity
Zinnat Hassan, Sayantan Ghosh, P. K. Sahoo +1
In recent years there has been a growing interest in the field of Casimir wormhole. In classical general relativity (GR), it is known that the null energy condition (NEC) has to be…
Tunneling Analysis of Kerr-Newman Black Hole-Like Solution in Rastall Theory
Riasat Ali, Kazuharu Bamba, Syed Asif Ali Shah +1
Hamilton-Jacobi ansatz is used to analyze boson charged particles tunneling in Rastall gravity Kerr- Newman black hole (BH) surrounded by perfect fluid matter through the horizon.…
Bouncing cosmology in modified gravity with higher-order curvature terms
J. K. Singh, Harshna Balhara, Kazuharu Bamba +1
A bouncing scenario of a flat homogeneous and isotropic universe is explored by using the reconstruction technique for the power-law parametrization of the Hubble parameter in a mo…
Constraints on the magnetized Ernst black hole spacetime through quasiperiodic oscillations
Sanjar Shaymatov, Mubasher Jamil, Kimet Jusufi +1
We study the dynamics of test particles around a magnetized Ernst black hole considering its magnetic field in the environment surrounding the black hole. We show how its magnetic…
Compact stellar model in higher torsion gravitational theory
G. G. L. Nashed, Kazuharu Bamba
In this study, we address the issue of a spherically symmetrical interior solution to the quadratic form of gravitational theory using a…
Bouncing universe in Gauss-Bonnet gravity
J. K. Singh, Shaily, Kazuharu Bamba
In this paper, a bouncing cosmological scenario is studied in the background of a flat FLRW model with a specific parametrized hyperbolic form of scale factor in terms of $ t…
The Kiloparsec-scale Neutral Atomic Carbon Outflow in the Nearby Type-2 Seyfert Galaxy NGC 1068: Evidence for Negative AGN Feedback
Toshiki Saito, Shuro Takano, Nanase Harada +13
Active galactic nucleus (AGN) feedback is postulated as a key mechanism for regulating star formation within galaxies. Studying the physical properties of the outflowing gas from A…
Quasi Static Evolution of Compact Objects in Modified Gravity
Z. Yousaf, Kazuharu Bamba, M. Z. Bhatti +1
In this paper, the quasi static-approximation on the hydrodynamics of compact objects is proposed in gravity, where is the scalar curvature and is the trace of st…