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

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arxiv hep-th/0612091 v1 pith:3DORNULB submitted 2006-12-11 hep-th gr-qc

classification hep-thgr-qc
keywords branesdifferenthorizonlightlikewill-braneactingantisymmetricaround
verification ladder T0 review T1 audit T2 compute T3 formal
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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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