Regular Article - Theoretical Physics
Thin-shell wormholes supported by total normal matter
Department of Physics, Eastern Mediterranean University, Gazimağusa, Turkey
* e-mail: email@example.com
Accepted: 31 August 2014
Published online: 23 September 2014
The Zipoy–Voorhees–Weyl (ZVW) spacetime characterized by mass () and oblateness () is proposed in the construction of viable thin-shell wormholes (TSWs). A departure from spherical/cylindrical symmetry yields a positive total energy in spite of the fact that the local energy density may take negative values. We show that oblateness of the bumpy sources/black holes can be incorporated as a new degree of freedom that may play a role in the resolution of the exotic matter problem in TSWs. A small velocity perturbation reveals, however, that the resulting TSW is unstable.
© SIF and Springer-Verlag Berlin Heidelberg, 2014