A comprehensive study of Bardeen stars with conformal motion in gravity

A Rashid, A Malik, MF Shamir - The European Physical Journal C, 2023 - Springer
In this manuscript, we use the conformal killing vectors to solve the Einstein–Maxwell field
equations in the background of modified f (G) gravity. We consider the observational data for …

Charged anisotropic compact stars in Ricci-inverse gravity

A Malik, A Arif, MF Shamir - The European Physical Journal Plus, 2024 - Springer
The main objective of this work is to use the Karmarkar condition to investigate the charged
anisotropic characteristics of compact stars in the recently proposed modified Ricci-inverse …

[HTML][HTML] Development of local density perturbation technique to identify cracking points in f (R, T) gravity

A Malik, A Shafaq, M Koussour, Z Yousaf - The European Physical Journal …, 2023 - Springer
This paper investigate the impacts of local density perturbations on the stability of self-
gravitating compact objects by utilizing cracking technique within the context of f (R, T) …

Stellar structure modeling in Ricci-inverse gravity with Tolman–Kuchowicz spacetime

A Malik, E Meer, Z Asghar, A Ali - Chinese journal of Physics, 2023 - Elsevier
The primary objective of this research is to conduct an extensive investigation of stellar
compact structures within the frame of the newly proposed Ricci-Inverse theory of gravity …

Anisotropic spheres via embedding approach in gravity

A Malik, Y **a, A Almas, MF Shamir - The European Physical Journal Plus, 2023 - Springer
In this manuscript, we investigate the behavior of stellar structure through embedding
approach in\(f (R,\phi, X)\) modified theory of gravity, where R denotes the Ricci scalar,\(\phi\) …

[HTML][HTML] Applications of Symmetries to Nonlinear Partial Differential Equations

P Liu, S Lou - Symmetry, 2024 - mdpi.com
This review begins with the standard Lie symmetry theory for nonlinear PDEs and explores
extensions of symmetry analysis. First, it introduces three key symmetry reduction methods …

-spin- anomaly in charm

R Bause, H Gisbert, G Hiller, T Höhne, DF Litim… - Physical Review D, 2023 - APS
The recent measurement of the CP asymmetry in the decay D→ K+ K-by LHCb, combined
with Δ ACP, evidences a sizable CP asymmetry in the decay D→ π+ π-, which requires a …

Constraints on anisotropic properties of the universe in f (Q, T) gravity theory

A Zhadyranova, M Koussour, V Zhumabekova… - Journal of High Energy …, 2024 - Elsevier
Motivated by anomalies in cosmic microwave background observations, we investigate the
implications of f (Q, T) gravity in Bianchi type-I spacetime, aiming to characterize the …

Decoupled extended spherical solutions in Rastall gravity

M Aslam, A Malik - The European Physical Journal Plus, 2024 - Springer
In this study, we develop the spherically static solutions for isotropic source using an
extended gravitational decoupling method within the framework of Rastall theory. The …

Physically viable solutions of anisotropic hybrid stars in f(T) gravity: an embedding approach

A Malik, A Almas, T Naz, R Manzoor - The European Physical Journal Plus, 2024 - Springer
In this study, we explore the structure of a hybrid neutron stars composed of normal and
strange quark matter distribution within the realm of f (T) gravity by employing a non …