Hawking temperature from scattering off the charged 2D black hole

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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12 pages 3 figures, RevTeX, to obtain figures contact author (ysmyung@physics.inje.ac.kr)

Scientific paper

10.1142/S0217732395002994

The charged 2D black hole is visualized as presenting an potential barrier $V^{OUT}(r^*)$ to on-coming tachyon wave. Since this takes the complicated form, an approximate form $V^{APP}(r^*)$ is used for scattering analysis. We calculate the reflection and transmission coefficients for scattering of tachyon off the charged 2D black hole. The Hawking temperature is also derived from the reflection coefficient by Bogoliubov transformation. In the limit of $Q \to 0$, we recover the Hawking temperature of the 2D dilaton black hole.

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