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S-Wave Scattering of Charged Fermions by a Magnetic Black Hole by Alford, Mark; Strominger, Andrew is a scholarly article available to read on EtoBox.

What is S-Wave Scattering of Charged Fermions by a Magnetic Black Hole about?

We argue that, classically, $s$-wave electrons incident on a magnetically charged black hole are swallowed with probability one: the reflection coefficient vanishes. However, quantum effects can lead to both electromagnetic and gravitational backscattering. We show that, for the case of extremal, magnetically charged, dilatonic black holes and a single flavor of low-energy charged particles, this backscattering is described by a perturbatively computable and unitary $S$-matrix, and that the Hawking radiation in these modes is suppressed near extremality. The interesting and much more difficult case of several flavors is also discussed.

Author

Alford, Mark; Strominger, Andrew

Published

1992

Language

EN