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2009

Lightlike Branes as Natural Candidates for Wormhole Throats

Guendelman, Eduardo, Kaganovich, Alexander, Nissimov, Emil et al.

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We first briefly present a consistent world-volume Lagrangian description of lightlike p-branes (LL-branes) in two equivalent forms - a Polyakov-type and a dual to it Nambu-Goto-type formulations.

The most important characteristic features of LL-brane dynamics are: (i) the brane tension appears as a non-trivial additional dynamical degree of freedom; (ii) consistency of LL-brane dynamics in a spherically or axially symmetric gravitational background of codimension one requires the presence of an event horizon which is automatically occupied by the LL-brane ("horizon straddling").
Next we consider a bulk Einstein-Maxwell system interacting self-consistently with a codimension one LL-brane.
We find spherically symmetric traversable wormhole solutions of Misner-Wheeler type produced by the LL-brane sitting at the wormhole throat with wormhole parameters being functions of the dynamical LL-brane tension.

Lightlike Branes as Natural Candidates for Wormhole Throats · Around

Built on

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C. Barrabés and W. Israel, Phys. Rev
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S. Blau, E. Guendelman and A. Guth, Phys. Rev
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E. Poisson and W. Israel, Phys. Rev. Lett
1990
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M. Visser, “Lorentzian Wormholes. From Einstein to Hawking”
1996
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E. Guendelman, A. Kaganovich, E. Nissimov and S. Pacheva, arxiv:0811.2882[hep-th]
Original
Cited in the paper.

Then

C. Barrabés and P. Hogan, “Singular Null-Hypersurfaces in General Relativity”
2004
Later among the works it cites.
J. Harvey, P. Kraus and F. Larsen, Phys. Rev
2004
Later among the works it cites.
E. Guendelman, A. Kaganovich, E. Nissimov and S. Pacheva, Phys. Rev
2007
Later among the works it cites.
E. Guendelman, A. Kaganovich, E. Nissimov and S. Pacheva, in “Lie Theory and Its Applications in Physics 07”
Original
2009
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