Schwarzschild metrics, quasi-universes and wormholes
arXiv:astro-ph/0110373
Abstract
We introduce the concept of "quasi-universe" and describe the Einstein-Rosen bridge as an extreme wormhole connecting two quasi-universes.
9 pages, LateX2e, 2 figures, to appear in the Proceedings of "Frontiers of Fundamental Physics 4", December 9-13 2000, Hyderabad, India