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Quantum instability of two-dimensional charged black holes

H W Lee-+, Y S Myung-+, Jin Young Kim++ and D K Park§

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LETTER TO THE EDITOR

We study the quantum stability of a tachyon field in the two-dimensional (2D), charged black holes. In particular, the stress - energy tensor observed by a freely falling observer has new divergences such as and near the horizon , compared with conformal matter. It turns out that both the extremal and non-extremal black holes are unstable quantum mechanically.


PACS

04.70.-s Physics of black holes

04.60.Kz Lower dimensional models; minisuperspace models

MSC

83C57 Black holes

Subjects

Gravitation and cosmology

Dates

Issue 3 (March 1997)

Received 14 October 1996



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