Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-11-22
JHEP 0301 (2003) 031
Physics
High Energy Physics
High Energy Physics - Theory
23 pages, 1 eps figure; harvmac; v2:refs added; v3:minor comments added
Scientific paper
10.1088/1126-6708/2003/01/031
In an attempt to study asymptotically plane wave spacetimes which admit an event horizon, we find solutions to vacuum Einstein's equations in arbitrary dimension which have a globally null Killing field and rotational symmetry. We show that while such solutions can be deformed to include ones which are asymptotically plane wave, they do not posses a regular event horizon. If we allow for additional matter, such as in supergravity theories, we show that it is possible to have extremal solutions with globally null Killing field, a regular horizon, and which, in addition, are asymptotically plane wave. In particular, we deform the extremal M2-brane solution in 11-dimensional supergravity so that it behaves asymptotically as a 10-dimensional vacuum plane wave times a real line.
Hubeny Veronika E.
Rangamani Mukund
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