Wave Propagation in Stringy Black Hole

Details Wave Propagation in Stringy Black Hole Wave Propagation in Stringy Black Hole

1993-04-17

arxiv.org/abs/hep-th/9304072v2

Mod.Phys.Lett.A8:1701-1718,1993

Physics

High Energy Physics

High Energy Physics - Theory

23p, TIFR-TH-93/05; (v3) tex error corrected

Scientific paper

10.1142/S0217732393001446

We further study the nonperturbative formulation of two-dimensional black holes. We find a nonlinear differential equation satisfied by the tachyon in the black hole background. We show that singularities in the tachyon field configurations are always associated with divergent semiclassical expansions and are absent in the exact theory. We also discuss how the Euclidian black hole emerges from an analytically continued fermion theory that corresponds to the right side up harmonic oscillator potential.

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