97 citations
- Universidade Federal da ParaíbaBR6 papers
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gr-qc2022★ 19 cited
On the traversable Yukawa-Casimir wormholes
P. H. F. Oliveira, G. Alencar, I. C. Jardim +1
Wormholes (WH) require negative energy, and therefore an exotic matter source. Since Casimir energy is negative, it has been speculated as a good candidate to source that objects a…
gr-qc2002★ 22 cited
Cosmological Constant, Conical Defect and Classical Tests of General Relativity
Wilson H. C. Freire, V. B. Bezerra, J. A. S. Lima
We investigate the perihelion shift of the planetary motion and the bending of starlight in the Schwarzschild field modified by the presence of a -term plus a conical defect. Th…