Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-11-18
Phys.Lett.B673:288-292,2009
Physics
High Energy Physics
High Energy Physics - Theory
improved derivation in section 4; additional comment in conclusions; results unchanged
Scientific paper
10.1016/j.physletb.2009.02.048
Consistent Lagrangian description of lightlike p-branes (LL-branes) is presented in two equivalent forms - a Polyakov-type formulation and a dual to it Nambu-Goto-type formulation. An important characteristic feature of the LL-branes is that the brane tension appears as a non-trivial additional dynamical degree of freedom. Next, properties of p=2 LL-brane dynamics (as a test brane) in D=4 Kerr or Kerr-Newman gravitational backgrounds are discussed in some detail. It is shown that the LL-brane automatically positions itself on the horizon and rotates along with the same angular velocity. Finally, a Misner-Wheeler-type of Reissner-Nordstroem wormhole is constructed in a self-consistent electrically sourceless Einstein-Maxwell system in the D=4 bulk interacting with a LL-brane. The pertinent wormhole throat is located precisely at the LL-brane sitting on the outer Reissner-Nordstroem horizon with the Reissner-Nordstroem mass and charge being functions of the dynamical LL-brane tension.
Guendelman Eduardo
Kaganovich Alexander
Nissimov Emil
Pacheva Svetlana
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