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2014

2+1-dimensional traversable wormholes supported by positive energy

Mazharimousavi, S. Habib, Halilsoy, M.

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We revisit the shapes of the throats of wormholes, including thin-shell wormholes (TSWs) in $2+1-$dimensions.

In particular, in the case of TSWs this is done in a flat $2+1-$dimensional bulk spacetime by using the standard method of cut-and-paste.
Upon departing from a pure time-dependent circular shape i.e., $r=a\left( t\right) $ for the throat, we employ a $% \theta -$dependent closed loop of the form $r=R\left( t,\theta \right) ,$ and in terms of $R\left( t,\theta \right) $ we find the surface energy density $\sigma $ on the throat.
For the specific convex shapes we find that the total energy which supports the wormhole is positive and finite.

2+1-dimensional traversable wormholes supported by positive energy · Around

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M. S. Delgaty and R. B. Mann, Int. J. Mod. Phys. D 4
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M. Visser, Nucl. Phys. B
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D. Hochberg and M. Visser, Phys. Rev. D 56
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Then

F. Rahaman, A. Banerjee, I. Radinschi, Int. J. Theor. Phys. 51
2014
Closest in time.
S. H. Mazharimousavi and M. Halilsoy, Phys. Rev. D 90
2014
Closest in time.
S. H. Mazharimousavi and M. Halilsoy, Eur. Phys. J. C 74
2014
Closest in time.

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