Strong gravitational lensing by wormholes

R Shaikh, P Banerjee, S Paul… - Journal of Cosmology and …, 2019 - iopscience.iop.org
We study strong gravitational lensing by a class of static wormhole geometries. Analytical
approaches to the same are developed, and the results differ substantially from strong …

Quasinormal modes and Hawking radiation of black holes in cubic gravity

RA Konoplya, AF Zinhailo, Z Stuchlík - Physical Review D, 2020 - APS
We consider quasinormal modes and Hawking radiation of four-dimensional asymptotically
flat black holes in the most general up to-cubic-order-in-curvature dimension-independent …

Classification of generalized quasitopological gravities

J Moreno, ÁJ Murcia - Physical Review D, 2023 - APS
Generalized quasitopological gravities (GQTGs) are higher-order extensions of Einstein
gravity in D dimensions satisfying a number of interesting properties, such as possessing …

On the strong coupling of Einsteinian Cubic Gravity and its generalisations

JB Jiménez, A Jiménez-Cano - Journal of Cosmology and …, 2021 - iopscience.iop.org
On the strong coupling of Einsteinian Cubic Gravity and its generalisations Page 1 Journal of
Cosmology and Astroparticle Physics On the strong coupling of Einsteinian Cubic Gravity and …

Stealth Ellis wormholes in Horndeski theories

A Bakopoulos, N Chatzifotis, C Erices… - … of Cosmology and …, 2023 - iopscience.iop.org
In this work we are revisiting the well studied Ellis wormhole solution in a Horndeski theory
motivated from the Kaluza-Klein compactification procedure of the more fundamental higher …

Structural properties of generalized embedded wormhole solutions via dark matter halos in Einsteinian-cubic-gravity with quasi-periodic oscillations

G Mustafa, F Atamurotov, SG Ghosh - Physics of the dark universe, 2023 - Elsevier
This study explores the possible existence of generalized wormhole geometry within the
galactic halo regions by investigating the specific three different dark matter halo profiles …

Slowly rotating black holes in Einsteinian cubic gravity

C Adair, P Bueno, PA Cano, RA Hennigar, RB Mann - Physical Review D, 2020 - APS
We construct slowly rotating black-hole solutions of Einsteinian cubic gravity (ECG) in four
dimensions with flat and anti–de Sitter asymptotes. At leading order in the rotation …

Generalized quasi-topological gravities: the whole shebang

P Bueno, PA Cano, RA Hennigar, M Lu… - … and Quantum Gravity, 2022 - iopscience.iop.org
Generalized quasi-topological gravities (GQTGs) are higher-curvature extensions of Einstein
gravity in D-dimensions. Their defining properties include possessing second-order …

Electromagnetic quasitopological gravities

PA Cano, Á Murcia - Journal of High Energy Physics, 2020 - Springer
A bstract We identify a set of higher-derivative extensions of Einstein-Maxwell theory that
allow for spherically symmetric charged solutions characterized by a single metric function f …

All higher-curvature gravities as Generalized quasi-topological gravities

P Bueno, PA Cano, J Moreno, Á Murcia - Journal of High Energy Physics, 2019 - Springer
A bstract Generalized quasi-topological gravities (GQTGs) are higher-curvature extensions
of Einstein gravity characterized by the existence of non-hairy generalizations of the …