Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-02-06
Class.Quant.Grav. 20 (2003) 2417-2428
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, RevTex4. Revised version. To be published in Class. Quantum. Grav
Scientific paper
10.1088/0264-9381/20/11/330
The absorption cross section for scattering of fermions off an extreme BTZ black hole is calculated. It is shown that, as in the case of scalar particles, an extreme BTZ black hole exhibits a vanishing absorption cross section, which is consistent with the vanishing entropy of such object. Additionally, we give a general argument to prove that the particle flux near the horizon is zero. Finally we show that the {\it reciprocal space} introduced previously in \cite{gm} gives rise to the same result and, therefore, it could be considered as the space where the scattering process takes place in an AdS spacetime.
Lepe Samuel
Mendez Fernando
Saavedra Joel
Vergara Lautaro
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