Four Dimensional Stringy Black Membrane
Abstract
An exact conformal field theory describing a four dimensional singular string background is obtained by chiral gauging a U(1) subgroup along with translations in R of an SL(2,R)× R Wess-Zumino-Witten model. It is shown that the target space-time describes a four dimensional black membrane. Furthermore various duality transformed solutions are constructed. These are also shown to correspond to various forms of four dimensional black membranes.
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