New divergences of tachyon in the two-dimensional charged black holes

Details New divergences of tachyon in the two-dimensional charged black holes New divergences of tachyon in the two-dimensional charged black holes

1996-03-08

arxiv.org/abs/hep-th/9603044v1

Class.Quant.Grav.14:L53-L58,1997

Physics

High Energy Physics

High Energy Physics - Theory

10 pages no figure, RevTeX

Scientific paper

10.1088/0264-9381/14/3/003

We quantize the tachyon field in the two-dimensional (2D), $\epsilon<2$ charged black holes where $\epsilon$ is the dilaton coupling parameter for the Maxwell term. Especially the expectation value of the stress-energy tensor $\langle T_{ab}\rangle$, observed by a freely falling observer, is computed. This shows that new divergences such as $\ln f$ and ${1 \over f}$ arises near the horizon ($f \to 0$), compared with conformal matter case.

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