Black Holes and Black Strings on Cylinders

Details Black Holes and Black Strings on Cylinders Black Holes and Black Strings on Cylinders

2003-01-06

arxiv.org/abs/hep-th/0301020v1

Fortsch.Phys. 51 (2003) 793-798

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, Talk presented by N.O. at the 35th International Symposium Ahrenshoop on the Theory of Elementary Particles, Berlin,

Scientific paper

10.1002/prop.200310100

We review the recently discovered ansatz that describes non-extremal charged dilatonic branes of string/M-theory with a transverse circle. The ansatz involves a new coordinate system that interpolates between the spherical and cylindrical case, and reduces the equations of motion to a set of equations on one unknown function of two variables. The function is independent of the charge, so that the ansatz can also be used to construct neutral black holes on cylinders and near-extremal charged dilatonic branes with a transverse circle. The construction enables us to argue that, for sufficiently large mass, there exists a neutral solution that breaks translational invariance in the circle direction, and has larger entropy than that of the neutral black string of the same mass.

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