3 papers
gr-qc2026
Kiselev black strings in gravity
L. C. N. Santos, L. G. Barbosa, C. C. Barros
In this work, we investigate exact black string solutions in the context of gravity. Adopting the specific form , we consider an anisotropic Kiselev flu…
gr-qc2025
Black Strings and String Clouds Embedded in Anisotropic Quintessence: Solutions for Scalar Particles and Implications
Maria de Lourdes Deglmann, Leonardo G. Barbosa, Celso de Camargo Barros
We analyze the spacetime metric associated with a black string surrounded by a cloud of strings and an anisotropic fluid of quintessence in cylindrically symmetric AdS spacetime. W…
gr-qc2024
Klein-Gordon oscillator subject to a Coulomb-type potential in Bonnor-Melvin universe with a cosmological constant
L. G. Barbosa, C. C. Barros
In this work we study spin-0 particles described by the Klein-Gordon oscillator formalism in a spacetime which structure is determined by a homogeneous magnetic field and a cosmolo…