Stringy Quantum Effects in 2-Dimensional Black-Hole

Details Stringy Quantum Effects in 2-Dimensional Black-Hole Stringy Quantum Effects in 2-Dimensional Black-Hole

1992-10-22

arxiv.org/abs/hep-th/9210120v3

Mod. Phys. Lett. A7 (1992) 3703-3715

Physics

High Energy Physics

High Energy Physics - Theory

17p, TIFR/TH/92-63; (v3) tex error corrected

Scientific paper

10.1142/S0217732392003128

We discuss the classical 2-dim. black-hole in the framework of the non-perturbative formulation (in terms of non-relativistic fermions) of c=1 string field theory. We identify an off-shell operator whose classical equation of motion is that of tachyon in the classical graviton-dilaton black-hole background. The black-hole `singularity' is identified with the fermi surface in the phase space of a single fermion, and as such is a consequence of the semi-classical approximation. An exact treatment reveals that stringy quantum effects wash away the classical singularity.

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