Space-Time Compactification, Non-Singular Black Holes, Wormholes and Braneworlds via Lightlike Branes

Details Space-Time Compactification, Non-Singular Black Holes, Wormholes and Braneworlds via Lightlike Branes Space-Time Compactification, Non-Singular Black Holes, Wormholes and Braneworlds via Lightlike Branes

2010-11-29

arxiv.org/abs/1011.6241v2

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, to appear in "Sixth Summer School and Conference on Modern Mathematical Physics", ed. B. Dragovic et.al., Belgrade U

Scientific paper

We describe a concise general scheme for constructing solutions of Einstein-Maxwell-Kalb-Ramond gravity-matter system in bulk space-time interacting self-consistently with one or more (widely separated) codimension-one electrically charged lightlike branes. The lightlike brane dynamics is explicitly given by manifestly reparametrization invariant world-volume actions. We present several explicit classes of solutions with different physical interpretation as wormhole-like space-times with one, two or more "throats", singularity-free black holes, brane worlds and space-times undergoing a sequence of spontaneous compactification-decompactification transitions.

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