Abstract
We show that a previously proposed model based on a D3-brane–anti-D3-brane system at finite temperature can reproduce the low-frequency absorption and emission probabilities of the black threebrane of Type IIB supergravity arbitrarily far from extremality, for arbitrary partial waves of a minimal scalar field. Our calculations cover in particular the case of the neutral threebrane, which corresponds to the Schwarzschild black hole in seven dimensions. Our results provide not only significant evidence in favor of the brane-antibrane model, but also a rationale for the condition that the energies of the two component gases agree with one another. In the course of our analysis we correct previous results on the absorption probabilities of the near-extremal threebrane, and extend them to the far-from-extremal regime.
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