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gr-qc2008★ 46 cited
Evolving Lorentzian wormholes supported by phantom matter with constant state parameters
Mauricio Cataldo, Pedro Labrana, Sergio del Campo +2
In this paper we study the possibility of sustaining an evolving wormhole via exotic matter made out of phantom energy. We show that this exotic source can support the existence of…
gr-qc1996
The Electrically Charged Extreme BTZ Black Hole with Self (Anti-self) Dual Maxwell Field
Mauricio Cataldo, Patricio Salgado
Recently M. Kamata and T. Koikawa claimed to obtain the charged version of the spinning BTZ black hole solution by assuming an (anti-) self dual condition imposed on the orthonorma…
gr-qc1993
Conformal Fourth-Rank Gravity
Victor Tapia, A. L. Marrakchi, M. Cataldo
We consider the consequences of describing the metric properties of space- time through a quartic line element . The associated "metric" is a fourth-…