3 years ago
Across-horizon scattering and information transfer
We address the question whether or not two electrically charged elementary particles can Coulomb
scatter if one of these particles is inside the Schwarzschild black-hole horizon and the other
outside. It can be shown that the quantum process is consistent with the local energy–momentum
conservation law. This result implies that across-horizon scattering is a physical effect, relevant
to astrophysical black holes. We propose a Gedankenexperiment which uses the quantum scattering
process to transfer information from inside the black-hole horizon to outside.
Publisher URL: http://iopscience.iop.org/0264-9381/35/12/125004
DOI: 10.1088/1361-6382/aac1f1
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