Weak gravitational lensing by a dark-matter-admixed neutron star: a self-consistent two-fluid halo and the Gauss--Bonnet deflection angle

arXiv:2608.25587 · astro-ph.HE · Submitted 2026-08-26 · Read on arXiv

astro-ph.HE

Submitted: 2026-08-26

Updated: 2026-08-26

Comments: 10 pages, 5 figures

DOI: 10.1103/kn9r-1ymy

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 21× in this paper · explained in 2 episodes
• Degeneracy — 11× in this paper · explained in 3 episodes
• Gravitational Lensing — 4× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Microlensing — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Self-consistency — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• The dark matter effect on realistic equation of state in neutron stars
• Bosonic dark matter dynamics in hybrid neutron stars
• Dark matter, neutron stars and strange quark matter
• Constraining Asymmetric Dark Matter through observations of compact stars
• The effects of self-interacting bosonic dark matter on neutron star properties
• Bosonic Dark Matter in Neutron Stars and its Effect on Gravitational Wave Signal
• Constraining bosonic asymmetric dark matter with neutron star mass-radius measurements
• Have neutron stars a dark matter core?
• Dark Matter Effects On Neutron Star Properties
• Neutron stars: new constraints on asymmetric dark matter
• Dark matter admixed neutron stars
• Applications of the Gauss-Bonnet theorem to gravitational lensing
• Weak lensing in a plasma medium and gravitational deflection of massive particles using the Gauss-Bonnet theorem. A unified treatment
• Gravitational bending angle of light for finite distance and the Gauss-Bonnet theorem
• The effects of finite distance on the gravitational deflection angle of light
• Deflection angle of photon through dark matter by black holes and wormholes using the Gauss-Bonnet theorem
• Effects of mirror dark matter on neutron stars
• Dark-Matter Admixed Neutron Stars
• Dark Compact Planets
• Dark halos around neutron stars and gravitational waves

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