Tachyon Effects on the 2-Dim Black Hole Geometry

Details Tachyon Effects on the 2-Dim Black Hole Geometry Tachyon Effects on the 2-Dim Black Hole Geometry

1994-06-06

arxiv.org/abs/hep-th/9406028v1

Mod.Phys.Lett. A10 (1995) 1277-1286

Physics

High Energy Physics

High Energy Physics - Theory

NTUA 45/94, Pages 11, Latex, 3 Figures on request

Scientific paper

10.1142/S0217732395001393

We study solutions of the tree level string effective action in the presence of the tachyon mode.We find that the 2-dim. static black hole is stable against tachyonic perturbations.For a particular ansatz for the tachyon field we find an exact solution of the equations of motion which exhibits a naked singularity.In the case of static fields we find numerically that the full system has a black hole solution,with the tachyon regular at the horizon.

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