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Supersymmetric traversable wormholes
16/09/2020 to 16/09/2020
Andres Anabalon (Universidad Adolfo Ibáñez, Chile)
Abstract
We study traversable wormhole solutions in pure gauged $N\!=\!2$ supergravity with and without
electromagnetic fields, which are locally isometric under $\mathrm{SO}(2,1)\!\times\!\
mathrm{SO}(1,1)$. The model allows for
1/2-BPS wormhole solutions whose corresponding globally defined Killing spinors are presented. A non-contractible cycle can be
obtained by compactifying one of the coordinates which leaves the
residual supersymmetry unaffected, although not all the isometries
will remain realized globally. The wormholes connect two asymptotic,
locally $\mathrm{AdS}_4$ regions and depend on certain electric and
magnetic charge parameters and, implicitly, on the range of the
compact coordinate around the throat. We provide an analysis of the
boundary of the spacetime and show that it can be either disconnected or not, depending on the values of the parameters in the metric. Finally, we show how that these space-times avoid a topological censorship theorem.
Webinar via Zoom
Join Zoom Meeting
https://videoconf-colibri.zoom.us/j/92188343307?pwd=Q0tJMlFUWnpPKzcvWFpldXBscWdoZz09
Meeting ID:
921 8834 3307
Password:
235351
More information
Published/edited at: 16/09/2020