Weyl-Invariant Lightlike Branes and Soldering of Black Hole Space-Times

Details Weyl-Invariant Lightlike Branes and Soldering of Black Hole Space-Times Weyl-Invariant Lightlike Branes and Soldering of Black Hole Space-Times

2006-12-11

arxiv.org/abs/hep-th/0612091v1

Fortsch.Phys.55:579-584,2007

Physics

High Energy Physics

High Energy Physics - Theory

To appear in ``Constituents, Fundamental Forces and Symmetries of the Universe'' (Naples, Oct. 2006), D. Luest et.al. eds., Fo

Scientific paper

10.1002/prop.200610358

We consider self-consistent coupling of the recently introduced new class of Weyl-conformally invariant lightlike branes (WILL-branes) to D=4 Einstein-Maxwell system plus a D=4 three-index antisymmetric tensor gauge field. We find static spherically-symmetric solutions where the space-time consists of two regions with different black-hole-type geometries and different values for a dynamically generated cosmological constant, separated by the WILL-brane which ``straddles'' their common event horizon. Furthermore, the WILL-brane produces a potential ``well'' around itself acting as a trap for test particles falling towards the horizon.

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