Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1999-08-31
Grav.Cosmol. 5 (1999) 187-190
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
8 pages, REVTeX, no figures
Scientific paper
A regular vacuum solution in 5D gravity on the principal bundle with the U(1) structural group is proposed as a 4D wormhole. This solution has two null hypersurfaces where an interchange of the sign of some 5D metric components happens. For a 4D observer living on the base of this principal bundle this is a wormhole with two asymptotically flat Lorentzian (Euclidean) spacetimes connected by a Euclidean (Lorentzian) throat. The 4D Lorentzian observer sees these two null hypersurfaces as electric charges.
Dzhunushaliev Vladimir
Schmidt Hans-Juergen
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