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arXiv · hep-th/9609076

Four-dimensional greybody factors and the effective string

S. S. Gubser·I. R. Klebanov
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Abstract

Recently Maldacena and Strominger found that the calculation of greybody factors for $D=5$ black holes carrying three U(1) charges gives striking new evidence for their description as multiply wound effective strings. Here we show that a similar result holds for $D=4$ black holes with four $U(1)$ charges. In this case the effective string may be thought of as the triple intersection of the 5-branes in M-theory compactified on $T^7$.

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S. S. Gubser, I. R. Klebanov. 1996-10-01. Four-dimensional greybody factors and the effective string. https://doi.org/10.1103/physrevlett.77.4491

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