Abstract
We investigate traversible wormhole solutions to the Einstein field equations in (2 + 1) dimensions. The constraints on the field equations to obtain a wormhole solution are presented and further constraints for traversibility of the wormhole are also given. We show that there is no analog of the (3 + 1)-dimensional Schwarzschild wormhole in (2 + 1) dimensions. For general wormholes, the radial tension and lateral pressure at the throat of the wormhole must be zero, and the energy density must be negative. Two specific wormhole solutions are presented. We perform a stability analysis on the solutions.
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Perry, G.P., Mann, R.B. Traversible wormholes in (2 + 1) dimensions. Gen Relat Gravit 24, 305–321 (1992). https://doi.org/10.1007/BF00760232
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DOI: https://doi.org/10.1007/BF00760232