2 papers
gr-qc2025
Traversable ghost wormholes
Alberto Guilabert, Ernesto Fuenmayor, Pedro Bargueño +1
Ghost stars are compact configurations characterized by an arbitrarily small total mass. Such objects require regions of negative energy density -a condition typically regarded as…
gr-qc2025
Hyperbolic Casimir-like wormhole
Roberto Avalos, Ernesto Contreras, Daniel Brito +1
We present a systematic study of exact solutions for traversable wormhole geometries in a static and hyperbolic symmetric spacetime. In the conventional form of studying wormhole g…