Exact Solutions of Four Dimensional Black Holes in String Theory

Details Exact Solutions of Four Dimensional Black Holes in String Theory Exact Solutions of Four Dimensional Black Holes in String Theory

1992-02-03

arxiv.org/abs/hep-th/9202005v1

Phys.Rev. D51 (1995) 4387-4393

Physics

High Energy Physics

High Energy Physics - Theory

19 pages

Scientific paper

10.1103/PhysRevD.51.4387

We construct an exact CFT as an SL(2,R)xSU(2)/U(1)^2 gauged WZW model, which describes a black hole in 4 dimensions. Another exact solution, describing a black membrane in 4D (in the sense that the event horizon is an infinite plane) is found as an SL(2,R)xU(1)^2/U(1) gauged WZW model. Finally, we construct an exact solution of a 4D black hole with electromagnetic field, as an SL(2,R)xSU(2)xU(1)/U(1)^2 gauged WZW model. This black hole carries both electric and axionic charges.

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