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8 papers · 2 filters
Novel topological subclass in Hourava-Lifshitz black holes
Hao Chen, Meng-Yao Zhang, Hassan Hassanabadi +2
This work explores the universal classification of thermodynamic topology for charged static black holes within the Hourava-Lifshitz gravity theory, considering both canonica…
Sources of matter for wormholes in a k-essence theory
Marcos V. de S. Silva, Carlos F. S. Pereira, Bruna Bragato +3
In this work, we analyze some matter sources associated with wormhole models within a k-essence theory coupled to the gravitational sector through a phantom scalar field. We adopt…
Tidal forces around the Letelier-Alencar cloud of strings black hole
Marcos V. de S. Silva, T. M. Crispim, R. R. Landim +2
In this work, we investigate relativistic tidal forces around a black hole sourced by a cloud of strings, described by the generalized Letelier-Alencar solution. We first review th…
Universal thermodynamic topological classes of static black holes in Conformal Killing Gravity
Hao Chen, Di Wu, Meng-Yao Zhang +4
In this study, we develop universal thermodynamic topological classes for the static black holes in the context of the Conformal Killing Gravity. Our findings indicate that the Con…
Optics in spiral dislocation spacetime: Torsion as a geometric waveguide and frequency-filtering mechanism
Semra Gurtas Dogan, Omar Mustafa, Abdullah Guvendi +1
We present an exact analytical investigation of null trajectories and scalar wave propagation in a -dimensional spacetime containing a spiral dislocation-a topological defec…
Tidal Stretching and Compression in Black Bounce Backgrounds
T. M. Crispim, Marcos V. de S. Silva, G. Alencar +1
Black bounces are compact objects that combine the structures of regular black holes with those of wormholes. These spacetimes exhibit a rich causal structure and can differ fundam…