Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-07-28
Gen.Rel.Grav.43:1487-1513,2011
Physics
High Energy Physics
High Energy Physics - Theory
22 pages, 1 figure; v.2 few typos in formulas corrected, new comment added
Scientific paper
10.1007/s10714-010-1134-x
We consider Einstein-Maxwell-Kalb-Ramond gravity-matter system in bulk space-time interacting self-consistently with two (widely separated) codimension-one electrically charged lightlike branes. The lightlike brane dynamics is explicitly given by manifestly reparametrization invariant world-volume actions in two equivalent dual to each other formulations (Polyakov-type and Nambu-Goto-type ones) proposed in our previous work. We find an explicit solution of the pertinent Einstein-Maxwell-Kalb-Ramond-lightlike-brane equations of motion describing a "two-throat" wormhole-like space-time consisting of a "left" compactified Bertotti-Robinson universe connected to a "middle" non-compact Reissner-Nordstroem-de-Sitter space-time region, which in turn is connected to another "right" compactified Bertotti-Robinson universe. Each of the lightlike branes automatically occupies one of the "throats", so that they dynamically induce a sequence of spontaneous space-time compactification/decompactification transitions.
Guendelman Eduardo
Kaganovich Alexander
Nissimov Emil
Pacheva Svetlana
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