A supersymmetric black ring
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A new supersymmetric black hole solution of five-dimensional supergravity is presented. It has an event horizon of topology S1xS2. This is the first example of a supersymmetric, asymptotically flat black hole of non-spherical topology. The solution is uniquely specified by its electric charge and two independent angular momenta. These conserved charges can be arbitrarily close, but not exactly equal, to those of a supersymmetric black hole of spherical topology.
4 pages, 1 figure. v2: Comment about chiral null models removed
4 pages, 1 figure. v2: Comment about chiral null models removed