Holonomy corrected Schwarzschild black hole lensing
In the present work, we theoretically investigate gravitational lensing in the spacetime of a
holonomy corrected Schwarzschild black hole. Analytical expressions for the light deflection …
holonomy corrected Schwarzschild black hole. Analytical expressions for the light deflection …
Deflection angle in the strong deflection limit in a general asymptotically flat, static, spherically symmetric spacetime
N Tsukamoto - Physical Review D, 2017 - APS
Gravitational lensing by the light sphere of compact objects like black holes and wormholes
will give us information on the compact objects. In this paper, we provide an improved strong …
will give us information on the compact objects. In this paper, we provide an improved strong …
Gravitational lensing in black-bounce spacetimes
In this work, we calculate the deflection angle of light in a spacetime that interpolates
between regular black holes and traversable wormholes, depending on the free parameter …
between regular black holes and traversable wormholes, depending on the free parameter …
Strong deflection limit analysis and gravitational lensing of an Ellis wormhole
N Tsukamoto - Physical Review D, 2016 - APS
Observations of gravitational lenses in strong gravitational fields give us a clue to
understanding dark compact objects. In this paper, we extend a method to obtain a …
understanding dark compact objects. In this paper, we extend a method to obtain a …
Thermodynamical properties of an ideal gas in a traversable wormhole
In this work, we analyze the thermodynamic properties of non-interacting particles under
influence of the gravitational field of a traversable wormhole. In particular, we investigate …
influence of the gravitational field of a traversable wormhole. In particular, we investigate …
Gravitational lensing in a topologically charged Eddington-inspired Born–Infeld spacetime
In the present paper, we study several aspects of gravitational lensing caused by a
topologically charged Monopole/Wormhole, both in the weak field limit and in the strong field …
topologically charged Monopole/Wormhole, both in the weak field limit and in the strong field …
Light curves of light rays passing through a wormhole
Gravitational lensing is a good probe into the topological structure of dark gravitating
celestial objects. In this paper, we investigate the light curve of a light ray that passes …
celestial objects. In this paper, we investigate the light curve of a light ray that passes …
Gravitational lensing by using the 0th order of affine perturbation series of the deflection angle of a ray near a photon sphere
N Tsukamoto - The European Physical Journal C, 2023 - Springer
The 0th order of affine perturbation series of the deflection angle of a ray near a photon
sphere is more accurate than a deflection angle in a strong deflection limit, which is used …
sphere is more accurate than a deflection angle in a strong deflection limit, which is used …
Ring-down gravitational waves and lensing observables: How far can a wormhole mimic those of a black hole?
KK Nandi, RN Izmailov, AA Yanbekov… - Physical Review D, 2017 - APS
It has been argued that the recently detected ring-down gravity waveforms could be
indicative only of the presence of light rings in a horizonless object, such as a surgical …
indicative only of the presence of light rings in a horizonless object, such as a surgical …
Traversable wormholes with electric and magnetic charges in general relativity theory
P Cañate - Physical Review D, 2024 - APS
In this work, static and spherically symmetric solutions of the general relativity coupled to
linear/nonlinear electrodynamics and a dust fluid (GR-ED-DF) are studied. We demonstrate …
linear/nonlinear electrodynamics and a dust fluid (GR-ED-DF) are studied. We demonstrate …